SUSE update for the Linux Kernel



| Updated: 2024-12-19
Risk Low
Patch available YES
Number of vulnerabilities 11
CVE-ID CVE-2021-33631
CVE-2023-46838
CVE-2023-47233
CVE-2023-51042
CVE-2023-51043
CVE-2023-51780
CVE-2023-51782
CVE-2023-6040
CVE-2024-0340
CVE-2024-0775
CVE-2024-1086
CWE-ID CWE-190
CWE-20
CWE-416
CWE-362
CWE-787
CWE-665
Exploitation vector Local
Public exploit Vulnerability #11 is being exploited in the wild.
Vulnerable software
 SUSE Linux Enterprise Server for SAP Applications 12
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 12
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 12
Operating systems & Components / Operating system

kernel-devel-azure
Operating systems & Components / Operating system package or component

kernel-source-azure
Operating systems & Components / Operating system package or component

kernel-azure-devel
Operating systems & Components / Operating system package or component

kernel-azure-debugsource
Operating systems & Components / Operating system package or component

kernel-azure-base
Operating systems & Components / Operating system package or component

kernel-syms-azure
Operating systems & Components / Operating system package or component

kernel-azure-base-debuginfo
Operating systems & Components / Operating system package or component

kernel-azure-debuginfo
Operating systems & Components / Operating system package or component

kernel-azure
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 11 vulnerabilities.

1) Integer overflow

EUVDB-ID: #VU86575

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-33631

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow when mounting a malicious filesystem. A local user can mount a specially crafted filesystem, trigger an integer overflow and execute arbitrary code.

Mitigation

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

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.168.1

kernel-source-azure: before 4.12.14-16.168.1

kernel-azure-devel: before 4.12.14-16.168.1

kernel-azure-debugsource: before 4.12.14-16.168.1

kernel-azure-base: before 4.12.14-16.168.1

kernel-syms-azure: before 4.12.14-16.168.1

kernel-azure-base-debuginfo: before 4.12.14-16.168.1

kernel-azure-debuginfo: before 4.12.14-16.168.1

kernel-azure: before 4.12.14-16.168.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240483-1/


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) Input validation error

EUVDB-ID: #VU85682

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-46838

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows an unprivileged guest to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of network packets at the backend. An unprivileged guest can send zero-length packets to the OS kernel 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 Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.168.1

kernel-source-azure: before 4.12.14-16.168.1

kernel-azure-devel: before 4.12.14-16.168.1

kernel-azure-debugsource: before 4.12.14-16.168.1

kernel-azure-base: before 4.12.14-16.168.1

kernel-syms-azure: before 4.12.14-16.168.1

kernel-azure-base-debuginfo: before 4.12.14-16.168.1

kernel-azure-debuginfo: before 4.12.14-16.168.1

kernel-azure: before 4.12.14-16.168.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240483-1/


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) Use-after-free

EUVDB-ID: #VU82755

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-47233

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows an attacker to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the brcm80211 in a brcmf_cfg80211_detach in the device unplugging (disconnect the USB by hotplug) code. An attacker with physical access to device can trigger a use-after-free error and escalate privileges on the system.

Mitigation

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

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.168.1

kernel-source-azure: before 4.12.14-16.168.1

kernel-azure-devel: before 4.12.14-16.168.1

kernel-azure-debugsource: before 4.12.14-16.168.1

kernel-azure-base: before 4.12.14-16.168.1

kernel-syms-azure: before 4.12.14-16.168.1

kernel-azure-base-debuginfo: before 4.12.14-16.168.1

kernel-azure-debuginfo: before 4.12.14-16.168.1

kernel-azure: before 4.12.14-16.168.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240483-1/


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.

4) Use-after-free

EUVDB-ID: #VU86560

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-51042

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 amdgpu_cs_wait_all_fences() function in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.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

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.168.1

kernel-source-azure: before 4.12.14-16.168.1

kernel-azure-devel: before 4.12.14-16.168.1

kernel-azure-debugsource: before 4.12.14-16.168.1

kernel-azure-base: before 4.12.14-16.168.1

kernel-syms-azure: before 4.12.14-16.168.1

kernel-azure-base-debuginfo: before 4.12.14-16.168.1

kernel-azure-debuginfo: before 4.12.14-16.168.1

kernel-azure: before 4.12.14-16.168.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240483-1/


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) Use-after-free

EUVDB-ID: #VU86268

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-51043

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 drivers/gpu/drm/drm_atomic.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

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.168.1

kernel-source-azure: before 4.12.14-16.168.1

kernel-azure-devel: before 4.12.14-16.168.1

kernel-azure-debugsource: before 4.12.14-16.168.1

kernel-azure-base: before 4.12.14-16.168.1

kernel-syms-azure: before 4.12.14-16.168.1

kernel-azure-base-debuginfo: before 4.12.14-16.168.1

kernel-azure-debuginfo: before 4.12.14-16.168.1

kernel-azure: before 4.12.14-16.168.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240483-1/


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) Race condition

EUVDB-ID: #VU85024

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-51780

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

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

The vulnerability exists due to a race condition in the ATM (Asynchronous Transfer Mode) subsystem in Linux kernel. A local user can exploit the race and escalate privileges on the system.

Mitigation

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

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.168.1

kernel-source-azure: before 4.12.14-16.168.1

kernel-azure-devel: before 4.12.14-16.168.1

kernel-azure-debugsource: before 4.12.14-16.168.1

kernel-azure-base: before 4.12.14-16.168.1

kernel-syms-azure: before 4.12.14-16.168.1

kernel-azure-base-debuginfo: before 4.12.14-16.168.1

kernel-azure-debuginfo: before 4.12.14-16.168.1

kernel-azure: before 4.12.14-16.168.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240483-1/


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) Race condition

EUVDB-ID: #VU85029

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-51782

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

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

The vulnerability exists due to a race condition in the Amateur Radio X.25 PLP (Rose) support. A local user can exploit the race and escalate privileges on the system.

Mitigation

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

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.168.1

kernel-source-azure: before 4.12.14-16.168.1

kernel-azure-devel: before 4.12.14-16.168.1

kernel-azure-debugsource: before 4.12.14-16.168.1

kernel-azure-base: before 4.12.14-16.168.1

kernel-syms-azure: before 4.12.14-16.168.1

kernel-azure-base-debuginfo: before 4.12.14-16.168.1

kernel-azure-debuginfo: before 4.12.14-16.168.1

kernel-azure: before 4.12.14-16.168.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240483-1/


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 write

EUVDB-ID: #VU85840

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-6040

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the nf_tables_newtable() function in netfilter nf_tables. A local user can trigger an out-of-bounds write 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 Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.168.1

kernel-source-azure: before 4.12.14-16.168.1

kernel-azure-devel: before 4.12.14-16.168.1

kernel-azure-debugsource: before 4.12.14-16.168.1

kernel-azure-base: before 4.12.14-16.168.1

kernel-syms-azure: before 4.12.14-16.168.1

kernel-azure-base-debuginfo: before 4.12.14-16.168.1

kernel-azure-debuginfo: before 4.12.14-16.168.1

kernel-azure: before 4.12.14-16.168.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240483-1/


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) Improper Initialization

EUVDB-ID: #VU86579

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-0340

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

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

The vulnerability exists due to improper initialization within the vhost_new_msg() function in drivers/vhost/vhost.c in the Linux kernel vhost driver. A local user can run a specially crafted application to gain access to sensitive kernel information.

Mitigation

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

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.168.1

kernel-source-azure: before 4.12.14-16.168.1

kernel-azure-devel: before 4.12.14-16.168.1

kernel-azure-debugsource: before 4.12.14-16.168.1

kernel-azure-base: before 4.12.14-16.168.1

kernel-syms-azure: before 4.12.14-16.168.1

kernel-azure-base-debuginfo: before 4.12.14-16.168.1

kernel-azure-debuginfo: before 4.12.14-16.168.1

kernel-azure: before 4.12.14-16.168.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240483-1/


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: #VU86576

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-0775

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 __ext4_remount() function in fs/ext4/super.c in ext4. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

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

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.168.1

kernel-source-azure: before 4.12.14-16.168.1

kernel-azure-devel: before 4.12.14-16.168.1

kernel-azure-debugsource: before 4.12.14-16.168.1

kernel-azure-base: before 4.12.14-16.168.1

kernel-syms-azure: before 4.12.14-16.168.1

kernel-azure-base-debuginfo: before 4.12.14-16.168.1

kernel-azure-debuginfo: before 4.12.14-16.168.1

kernel-azure: before 4.12.14-16.168.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240483-1/


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: #VU86577

Risk: High

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2024-1086

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 within the netfilter nf_tables component in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation

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

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.168.1

kernel-source-azure: before 4.12.14-16.168.1

kernel-azure-devel: before 4.12.14-16.168.1

kernel-azure-debugsource: before 4.12.14-16.168.1

kernel-azure-base: before 4.12.14-16.168.1

kernel-syms-azure: before 4.12.14-16.168.1

kernel-azure-base-debuginfo: before 4.12.14-16.168.1

kernel-azure-debuginfo: before 4.12.14-16.168.1

kernel-azure: before 4.12.14-16.168.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240483-1/


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?

Yes. This vulnerability is being exploited in the wild.



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