SUSE update for the Linux Kernel (Live Patch 41 for SLE 15 SP3)

1) Resource exhaustion

EUVDB-ID: #VU88378

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-2023-52340

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to an error when processing very large ICMPv6 packets. A remote attacker can send a flood of IPv6 ICMP6 PTB messages, cause the high lock contention and increased CPU usage, leading to a denial of service.

Successful vulnerability exploitation requires a attacker to be on the local network or have a high bandwidth connection.

Mitigation

Update the affected package the Linux Kernel (Live Patch 41 for SLE 15 SP3) to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Live Patching: 12-SP5 - 15-SP3

SUSE Linux Enterprise Server for SAP Applications 15: SP2 - SP3

SUSE Linux Enterprise Server 15: SP2 - SP3

SUSE Linux Enterprise High Performance Computing 15: SP2 - SP3

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

SUSE Linux Enterprise Micro: 5.1 - 5.2

openSUSE Leap: 15.3

kernel-livepatch-5_3_18-150300_59_150-preempt-debuginfo: before 4-150300.2.1

kernel-livepatch-5_3_18-150300_59_150-preempt: before 4-150300.2.1

kernel-livepatch-SLE15-SP3_Update_41-debugsource: before 4-150300.2.1

kernel-livepatch-5_3_18-150300_59_150-default-debuginfo: before 4-150300.2.1

kernel-livepatch-5_3_18-150300_59_150-default: before 4-150300.2.1

kernel-livepatch-5_3_18-150200_24_178-default-debuginfo: before 4-150200.2.1

kernel-livepatch-5_3_18-150200_24_178-default: before 4-150200.2.1

kernel-livepatch-SLE15-SP2_Update_45-debugsource: before 4-150200.2.1

kgraft-patch-4_12_14-122_159-default: before 11-2.1

kgraft-patch-4_12_14-122_156-default: before 12-2.1

kgraft-patch-4_12_14-122_162-default: before 10-2.1

kgraft-patch-4_12_14-122_186-default: before 5-2.1

kgraft-patch-4_12_14-122_183-default: before 6-2.1

kgraft-patch-4_12_14-122_189-default: before 4-2.1

kgraft-patch-4_12_14-122_194-default: before 3-2.1

kgraft-patch-4_12_14-122_173-default: before 8-2.1

kgraft-patch-4_12_14-122_176-default: before 7-2.1

kgraft-patch-4_12_14-122_153-default: before 12-2.1

kgraft-patch-4_12_14-122_150-default: before 14-2.2

kgraft-patch-4_12_14-122_179-default: before 6-2.1

kgraft-patch-4_12_14-122_165-default: before 9-2.1

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20241207-1/

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.