SUSE update for the Linux Kernel

1) Information exposure through microarchitectural state after transient execution

EUVDB-ID: #VU79262

Risk: Medium

CVSSv3.1: 7.6 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40982

CWE-ID: CWE-1342 - Information Exposure through Microarchitectural State after Transient Execution

Exploit availability: No

Description

The vulnerability allows a malicious guest to escalate privileges on the system.

The vulnerability exists due to the way data is shared between threads whereby the AVX GATHER instructions on Intel processors can forward the content of stale vector registers to dependent instructions. A malicious guest can infer data from different contexts on the same core and execute arbitrary code with elevated privileges.

Mitigation

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

Vulnerable software versions

Public Cloud Module: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

kernel-devel-azure: before 5.14.21-150400.14.63.1

kernel-source-azure: before 5.14.21-150400.14.63.1

kernel-azure: before 5.14.21-150400.14.63.1

kernel-azure-debugsource: before 5.14.21-150400.14.63.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra: before 5.14.21-150400.14.63.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.63.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

dlm-kmp-azure: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-optional: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure: before 5.14.21-150400.14.63.1

kselftests-kmp-azure: before 5.14.21-150400.14.63.1

kernel-syms-azure: before 5.14.21-150400.14.63.1

gfs2-kmp-azure: before 5.14.21-150400.14.63.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233377-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU76222

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-0459

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

Exploit availability: No

Description

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

The vulnerability exists due to improper implementation of speculative execution barriers in usercopy functions
in certain situations. A local user can gain access to sensitive information.

Mitigation

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

Vulnerable software versions

Public Cloud Module: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

kernel-devel-azure: before 5.14.21-150400.14.63.1

kernel-source-azure: before 5.14.21-150400.14.63.1

kernel-azure: before 5.14.21-150400.14.63.1

kernel-azure-debugsource: before 5.14.21-150400.14.63.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra: before 5.14.21-150400.14.63.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.63.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

dlm-kmp-azure: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-optional: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure: before 5.14.21-150400.14.63.1

kselftests-kmp-azure: before 5.14.21-150400.14.63.1

kernel-syms-azure: before 5.14.21-150400.14.63.1

gfs2-kmp-azure: before 5.14.21-150400.14.63.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233377-1/

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) Information disclosure

EUVDB-ID: #VU79263

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20569

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to a side channel issue in AMD CPUs. A remote user can influence the return address prediction and gain unauthorized access to sensitive information on the system.

Mitigation

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

Vulnerable software versions

Public Cloud Module: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

kernel-devel-azure: before 5.14.21-150400.14.63.1

kernel-source-azure: before 5.14.21-150400.14.63.1

kernel-azure: before 5.14.21-150400.14.63.1

kernel-azure-debugsource: before 5.14.21-150400.14.63.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra: before 5.14.21-150400.14.63.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.63.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

dlm-kmp-azure: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-optional: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure: before 5.14.21-150400.14.63.1

kselftests-kmp-azure: before 5.14.21-150400.14.63.1

kernel-syms-azure: before 5.14.21-150400.14.63.1

gfs2-kmp-azure: before 5.14.21-150400.14.63.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233377-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

4) Improper input validation

EUVDB-ID: #VU77993

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-2023-21400

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to improper input validation within the Kernel io_uring subcomponent in Kernel components. A local application can execute arbitrary code.

Mitigation

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

Vulnerable software versions

Public Cloud Module: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

kernel-devel-azure: before 5.14.21-150400.14.63.1

kernel-source-azure: before 5.14.21-150400.14.63.1

kernel-azure: before 5.14.21-150400.14.63.1

kernel-azure-debugsource: before 5.14.21-150400.14.63.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra: before 5.14.21-150400.14.63.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.63.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

dlm-kmp-azure: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-optional: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure: before 5.14.21-150400.14.63.1

kselftests-kmp-azure: before 5.14.21-150400.14.63.1

kernel-syms-azure: before 5.14.21-150400.14.63.1

gfs2-kmp-azure: before 5.14.21-150400.14.63.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233377-1/

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.

5) Reachable Assertion

EUVDB-ID: #VU76392

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-2156

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion when handling IPv6 RPL protocol. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Public Cloud Module: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

kernel-devel-azure: before 5.14.21-150400.14.63.1

kernel-source-azure: before 5.14.21-150400.14.63.1

kernel-azure: before 5.14.21-150400.14.63.1

kernel-azure-debugsource: before 5.14.21-150400.14.63.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra: before 5.14.21-150400.14.63.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.63.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

dlm-kmp-azure: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-optional: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure: before 5.14.21-150400.14.63.1

kselftests-kmp-azure: before 5.14.21-150400.14.63.1

kernel-syms-azure: before 5.14.21-150400.14.63.1

gfs2-kmp-azure: before 5.14.21-150400.14.63.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233377-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

6) NULL pointer dereference

EUVDB-ID: #VU79495

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-2023-2166

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 error in net/can/af_can.c when processing CAN frames. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Public Cloud Module: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

kernel-devel-azure: before 5.14.21-150400.14.63.1

kernel-source-azure: before 5.14.21-150400.14.63.1

kernel-azure: before 5.14.21-150400.14.63.1

kernel-azure-debugsource: before 5.14.21-150400.14.63.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra: before 5.14.21-150400.14.63.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.63.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

dlm-kmp-azure: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-optional: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure: before 5.14.21-150400.14.63.1

kselftests-kmp-azure: before 5.14.21-150400.14.63.1

kernel-syms-azure: before 5.14.21-150400.14.63.1

gfs2-kmp-azure: before 5.14.21-150400.14.63.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233377-1/

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) NULL pointer dereference

EUVDB-ID: #VU79496

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-2023-31083

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 error within the hci_uart_tty_ioctl() function in drivers/bluetooth/hci_ldisc.c. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.

Mitigation

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

Vulnerable software versions

Public Cloud Module: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

kernel-devel-azure: before 5.14.21-150400.14.63.1

kernel-source-azure: before 5.14.21-150400.14.63.1

kernel-azure: before 5.14.21-150400.14.63.1

kernel-azure-debugsource: before 5.14.21-150400.14.63.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra: before 5.14.21-150400.14.63.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.63.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

dlm-kmp-azure: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-optional: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure: before 5.14.21-150400.14.63.1

kselftests-kmp-azure: before 5.14.21-150400.14.63.1

kernel-syms-azure: before 5.14.21-150400.14.63.1

gfs2-kmp-azure: before 5.14.21-150400.14.63.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233377-1/

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) Out-of-bounds read

EUVDB-ID: #VU78008

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3268

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the relay_file_read_start_pos() function in kernel/relay.c in the relayfs. A local user can trigger an out-of-bounds read error and read contents of memory on the system or crash the kernel.

Mitigation

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

Vulnerable software versions

Public Cloud Module: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

kernel-devel-azure: before 5.14.21-150400.14.63.1

kernel-source-azure: before 5.14.21-150400.14.63.1

kernel-azure: before 5.14.21-150400.14.63.1

kernel-azure-debugsource: before 5.14.21-150400.14.63.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra: before 5.14.21-150400.14.63.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.63.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

dlm-kmp-azure: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-optional: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure: before 5.14.21-150400.14.63.1

kselftests-kmp-azure: before 5.14.21-150400.14.63.1

kernel-syms-azure: before 5.14.21-150400.14.63.1

gfs2-kmp-azure: before 5.14.21-150400.14.63.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233377-1/

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.

9) Use-after-free

EUVDB-ID: #VU79491

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-2023-3567

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 vc_screen() function in vcs_read in drivers/tty/vt/vc_screen.c. A local user can 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

Public Cloud Module: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

kernel-devel-azure: before 5.14.21-150400.14.63.1

kernel-source-azure: before 5.14.21-150400.14.63.1

kernel-azure: before 5.14.21-150400.14.63.1

kernel-azure-debugsource: before 5.14.21-150400.14.63.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra: before 5.14.21-150400.14.63.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.63.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

dlm-kmp-azure: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-optional: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure: before 5.14.21-150400.14.63.1

kselftests-kmp-azure: before 5.14.21-150400.14.63.1

kernel-syms-azure: before 5.14.21-150400.14.63.1

gfs2-kmp-azure: before 5.14.21-150400.14.63.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233377-1/

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) Use-after-free

EUVDB-ID: #VU79285

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3776

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 the Linux kernel's net/sched: cls_fw component. A local user can 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

Public Cloud Module: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

kernel-devel-azure: before 5.14.21-150400.14.63.1

kernel-source-azure: before 5.14.21-150400.14.63.1

kernel-azure: before 5.14.21-150400.14.63.1

kernel-azure-debugsource: before 5.14.21-150400.14.63.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra: before 5.14.21-150400.14.63.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.63.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

dlm-kmp-azure: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-optional: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure: before 5.14.21-150400.14.63.1

kselftests-kmp-azure: before 5.14.21-150400.14.63.1

kernel-syms-azure: before 5.14.21-150400.14.63.1

gfs2-kmp-azure: before 5.14.21-150400.14.63.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233377-1/

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) Use-after-free

EUVDB-ID: #VU79498

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4004

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 in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. A local user can execute arbitrary code with elevated privileges.

Mitigation

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

Vulnerable software versions

Public Cloud Module: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

kernel-devel-azure: before 5.14.21-150400.14.63.1

kernel-source-azure: before 5.14.21-150400.14.63.1

kernel-azure: before 5.14.21-150400.14.63.1

kernel-azure-debugsource: before 5.14.21-150400.14.63.1

kernel-azure-optional-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kselftests-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra: before 5.14.21-150400.14.63.1

gfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-devel-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-livepatch-devel: before 5.14.21-150400.14.63.1

dlm-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

ocfs2-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

dlm-kmp-azure: before 5.14.21-150400.14.63.1

cluster-md-kmp-azure: before 5.14.21-150400.14.63.1

kernel-azure-extra-debuginfo: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-debuginfo: before 5.14.21-150400.14.63.1

kernel-azure-optional: before 5.14.21-150400.14.63.1

reiserfs-kmp-azure: before 5.14.21-150400.14.63.1

kselftests-kmp-azure: before 5.14.21-150400.14.63.1

kernel-syms-azure: before 5.14.21-150400.14.63.1

gfs2-kmp-azure: before 5.14.21-150400.14.63.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233377-1/

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.