SUSE update for the Linux Kernel

Published: 2022-04-26 | Updated: 2023-06-18

Risk	Low
Patch available	YES
Number of vulnerabilities	15
CVE-ID	CVE-2021-45868 CVE-2022-0850 CVE-2022-0854 CVE-2022-1011 CVE-2022-1016 CVE-2022-1048 CVE-2022-1055 CVE-2022-1195 CVE-2022-1198 CVE-2022-1199 CVE-2022-1205 CVE-2022-27666 CVE-2022-28388 CVE-2022-28389 CVE-2022-28390
CWE-ID	CWE-416 CWE-200 CWE-401 CWE-476 CWE-122 CWE-415
Exploitation vector	Local
Public exploit	Public exploit code for vulnerability #4 is available. Public exploit code for vulnerability #12 is available.
Vulnerable software Subscribe	SUSE Linux Enterprise Real Time Operating systems & Components / Operating system SUSE Linux Enterprise Module for Realtime Operating systems & Components / Operating system SUSE Linux Enterprise Micro Operating systems & Components / Operating system ocfs2-kmp-rt-debuginfo Operating systems & Components / Operating system package or component ocfs2-kmp-rt Operating systems & Components / Operating system package or component kernel-syms-rt Operating systems & Components / Operating system package or component kernel-rt_debug-devel-debuginfo Operating systems & Components / Operating system package or component kernel-rt_debug-devel Operating systems & Components / Operating system package or component kernel-rt_debug-debugsource Operating systems & Components / Operating system package or component kernel-rt_debug-debuginfo Operating systems & Components / Operating system package or component kernel-rt-devel-debuginfo Operating systems & Components / Operating system package or component kernel-rt-devel Operating systems & Components / Operating system package or component kernel-rt-debugsource Operating systems & Components / Operating system package or component kernel-rt-debuginfo Operating systems & Components / Operating system package or component kernel-rt Operating systems & Components / Operating system package or component gfs2-kmp-rt-debuginfo Operating systems & Components / Operating system package or component gfs2-kmp-rt Operating systems & Components / Operating system package or component dlm-kmp-rt-debuginfo Operating systems & Components / Operating system package or component dlm-kmp-rt Operating systems & Components / Operating system package or component cluster-md-kmp-rt-debuginfo Operating systems & Components / Operating system package or component cluster-md-kmp-rt Operating systems & Components / Operating system package or component kernel-source-rt Operating systems & Components / Operating system package or component kernel-devel-rt Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 15 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU63422

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-45868

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial-of-service attack.

The vulnerability exists due to fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk). A local user can trigger use-after-free error and perform a denial-of-service attack.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU63423

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0850

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in the copy_page_to_iter() function in iov_iter.c in Linux kernel. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Memory leak

EUVDB-ID: #VU63427

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0854

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due memory leak in the Linux kernel’s DMA subsystem when processing DMA_FROM_DEVICE calls. A local user can trigger a memory leak error and read random memory from the kernel space.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Use-after-free

EUVDB-ID: #VU63386

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-1011

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the write() function of FUSE filesystem. A local user can retireve (partial) /etc/shadow hashes and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

5) Use-after-free

EUVDB-ID: #VU62028

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1016

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a use-after-free error in net/netfilter/nf_tables_core.c:nft_do_chain in Linux kernel.. A local user can trigger a use-after-free error and gain access to sensitive information.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Use-after-free

EUVDB-ID: #VU63428

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1048

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to a use-after-free error in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. A local user can execute arbitrary code with elevated privileges and perform a denial-of-service attack.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Use-after-free

EUVDB-ID: #VU61765

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1055

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the tc_new_tfilter in Linux kernel. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Use-after-free

EUVDB-ID: #VU63430

Risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1195

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to a use-after-free error in the drivers/net/hamradio. A local user can cause a denial of service (DOS) when the mkiss or sixpack device is detached.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Use-after-free

EUVDB-ID: #VU63431

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1198

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to a use-after-free error in the drivers/net/hamradio/6pack.c. A local user can perform a denial of service (DoS) attack by simulating Amateur Radio.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) NULL pointer dereference

EUVDB-ID: #VU63432

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1199

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a Null pointer dereference and use after free errors in the ax25_release() function. A local user can simulate Amateur Radio and perform a denial of service (DoS) attack.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) NULL pointer dereference

EUVDB-ID: #VU63433

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1205

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a null pointer dereference and use after free errors in the net/ax25/ax25_timer.c. A local user can simulate Amateur Radio and perform a denial of service (DoS) attack.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Heap-based buffer overflow

EUVDB-ID: #VU61672

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-27666

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c in Linux kernel. A local unprivileged user can pass specially crafted data to the system, trigger a heap-based buffer overflow and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

13) Double Free

EUVDB-ID: #VU63160

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28388

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to boundary error in the usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c. A local user can pass specially crafted data to the application, trigger double free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Double Free

EUVDB-ID: #VU63162

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28389

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to boundary error in mcba_usb_start_xmit in drivers/net/can/usb/mcba_usb.c. A local user can pass specially crafted data to the application, trigger double free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Double Free

EUVDB-ID: #VU63164

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28390

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to boundary error in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c. A local user can pass specially crafted data to the application, trigger double free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package the Linux Kernel to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Real Time: 15-SP3

SUSE Linux Enterprise Module for Realtime: 15-SP3

SUSE Linux Enterprise Micro: 5.1 - 5.2

ocfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

ocfs2-kmp-rt: before 5.3.18-150300.85.1

kernel-syms-rt: before 5.3.18-150300.85.1

kernel-rt_debug-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt_debug-devel: before 5.3.18-150300.85.1

kernel-rt_debug-debugsource: before 5.3.18-150300.85.1

kernel-rt_debug-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel-debuginfo: before 5.3.18-150300.85.1

kernel-rt-devel: before 5.3.18-150300.85.1

kernel-rt-debugsource: before 5.3.18-150300.85.1

kernel-rt-debuginfo: before 5.3.18-150300.85.1

kernel-rt: before 5.3.18-150300.85.1

gfs2-kmp-rt-debuginfo: before 5.3.18-150300.85.1

gfs2-kmp-rt: before 5.3.18-150300.85.1

dlm-kmp-rt-debuginfo: before 5.3.18-150300.85.1

dlm-kmp-rt: before 5.3.18-150300.85.1

cluster-md-kmp-rt-debuginfo: before 5.3.18-150300.85.1

cluster-md-kmp-rt: before 5.3.18-150300.85.1

kernel-source-rt: before 5.3.18-150300.85.1

kernel-devel-rt: before 5.3.18-150300.85.1

CPE2.3

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20221407-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.