SUSE update for the Linux Kernel (Live Patch 39 for SLE 15 SP2)

1) Out-of-bounds write

EUVDB-ID: #VU83311

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-2023-5717

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

Exploit availability: No

Description

The vulnerability local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the Linux kernel's Linux Kernel Performance Events (perf) component. 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 (Live Patch 39 for SLE 15 SP2) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Live Patching: 15-SP2

SUSE Linux Enterprise Server for SAP Applications 15: SP2

SUSE Linux Enterprise Server 15: SP2

SUSE Linux Enterprise High Performance Computing 15: SP2

kernel-livepatch-SLE15-SP2_Update_39-debugsource: before 9-150200.2.1

kernel-livepatch-5_3_18-150200_24_160-default: before 9-150200.2.1

kernel-livepatch-5_3_18-150200_24_160-default-debuginfo: before 9-150200.2.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP2:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP2:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP2:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP2:*:*:*:*:*:*:

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20241581-1/

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) Use-after-free

EUVDB-ID: #VU86576

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-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 (Live Patch 39 for SLE 15 SP2) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Live Patching: 15-SP2

SUSE Linux Enterprise Server for SAP Applications 15: SP2

SUSE Linux Enterprise Server 15: SP2

SUSE Linux Enterprise High Performance Computing 15: SP2

kernel-livepatch-SLE15-SP2_Update_39-debugsource: before 9-150200.2.1

kernel-livepatch-5_3_18-150200_24_160-default: before 9-150200.2.1

kernel-livepatch-5_3_18-150200_24_160-default-debuginfo: before 9-150200.2.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP2:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP2:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP2:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP2:*:*:*:*:*:*:

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20241581-1/

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: #VU86577

Risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

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 (Live Patch 39 for SLE 15 SP2) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Live Patching: 15-SP2

SUSE Linux Enterprise Server for SAP Applications 15: SP2

SUSE Linux Enterprise Server 15: SP2

SUSE Linux Enterprise High Performance Computing 15: SP2

kernel-livepatch-SLE15-SP2_Update_39-debugsource: before 9-150200.2.1

kernel-livepatch-5_3_18-150200_24_160-default: before 9-150200.2.1

kernel-livepatch-5_3_18-150200_24_160-default-debuginfo: before 9-150200.2.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_live_patching:15-SP2:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP2:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP2:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP2:*:*:*:*:*:*:

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20241581-1/

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.