SUSE update for the Linux Kernel



| Updated: 2024-10-25
Risk Medium
Patch available YES
Number of vulnerabilities 12
CVE-ID CVE-2020-36691
CVE-2022-43945
CVE-2023-1611
CVE-2023-1670
CVE-2023-1855
CVE-2023-1989
CVE-2023-1990
CVE-2023-1998
CVE-2023-2124
CVE-2023-2162
CVE-2023-2483
CVE-2023-30772
CWE-ID CWE-674
CWE-119
CWE-416
CWE-254
CWE-125
CWE-362
Exploitation vector Network
Public exploit Public exploit code for vulnerability #8 is available.
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-base
Operating systems & Components / Operating system package or component

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

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

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

kernel-syms-azure
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 12 vulnerabilities.

1) Uncontrolled Recursion

EUVDB-ID: #VU75206

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-2020-36691

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

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

The vulnerability exists due to uncontrolled recursion in lib/nlattr.c. A local user can use a nested Netlink policy with a back reference to crash the kernel.

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 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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) Buffer overflow

EUVDB-ID: #VU69766

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-43945

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service attacl.

The vulnerability exists due to a boundary error within the Linux kernel NFSD implementation. A remote attacker can send the RPC message over TCP with garbage data added at the end of the message, trigger memory corruption 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 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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.

3) Use-after-free

EUVDB-ID: #VU75204

Risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-1611

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the btrfs_search_slot() function in fs/btrfs/ctree.c. A local user can trigger a use-after-free error and crash the kernel.

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 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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: #VU75450

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-2023-1670

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 Xircom 16-bit PCMCIA (PC-card) Ethernet driver. 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 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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: #VU75451

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-2023-1855

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 xgene_hwmon_remove() function in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux Kernel Driver (xgene-hwmon). 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 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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: #VU75452

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-2023-1989

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 btsdio_remove() function in driversluetoothtsdio.c. A local user 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 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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: #VU75453

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-2023-1990

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the ndlc_remove() function in drivers/nfc/st-nci/ndlc.c. A local user can trigger a use-after-free error 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 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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) Security features bypass

EUVDB-ID: #VU75454

Risk: Low

CVSSv4.0: 5.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2023-1998

CWE-ID: CWE-254 - Security Features

Exploit availability: Yes

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to incorrect implementation of the Spectre v2 SMT mitigations, related to calling prctl with PR_SET_SPECULATION_CTRL. An attacker can gain unauthorized access to kernel memory from userspace.

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 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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.

9) Out-of-bounds read

EUVDB-ID: #VU75323

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-2023-2124

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the XFS subsystem in Linux kernel. A local user can trigger an out-of-bounds read error and crash the kernel.

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 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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: #VU75994

Risk: Low

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

CVE-ID: CVE-2023-2162

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 within the scsi_sw_tcp_session_create() function in drivers/scsi/iscsi_tcp.c in SCSI sub-component in the 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 Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

kernel-devel-azure: before 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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) Race condition

EUVDB-ID: #VU76024

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-2483

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

Exploit availability: No

Description

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

The vulnerability exists due to a race condition in Qualcomm EMAC Gigabit Ethernet Controller. An attacker with physical access to system can remove the device before cleanup in the emac_remove() function is called, trigger a use-after-free error and crash the kernel.

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 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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.

12) Race condition

EUVDB-ID: #VU75996

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-2023-30772

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

Exploit availability: No

Description

The vulnerability allows an attacker to compromise the affected system.

The vulnerability exists due to a race condition in rivers/power/supply/da9150-charger.c in Linux kernel. An attacker with physical access to device can trigger a race condition while unplugin the device 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 4.12.14-16.133.1

kernel-source-azure: before 4.12.14-16.133.1

kernel-azure-devel: before 4.12.14-16.133.1

kernel-azure-base: before 4.12.14-16.133.1

kernel-azure-debugsource: before 4.12.14-16.133.1

kernel-azure-debuginfo: before 4.12.14-16.133.1

kernel-azure-base-debuginfo: before 4.12.14-16.133.1

kernel-syms-azure: before 4.12.14-16.133.1

kernel-azure: before 4.12.14-16.133.1

CPE2.3 External links

https://www.suse.com/support/update/announcement/2023/suse-su-20232162-1/


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.



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