NULL Pointer Dereference Affecting kernel-default-livepatch package, versions <5.3.18-150200.24.166.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-SLES152-KERNELDEFAULTLIVEPATCH-5961347
  • published12 Oct 2023
  • disclosed10 Oct 2023

Introduced: 10 Oct 2023

CVE-2023-2177  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-default-livepatch to version 5.3.18-150200.24.166.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-livepatch package and not the kernel-default-livepatch package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

A null pointer dereference issue was found in the sctp network protocol in net/sctp/stream_sched.c in Linux Kernel. If stream_in allocation is failed, stream_out is freed which would further be accessed. A local user could use this flaw to crash the system or potentially cause a denial of service.

CVSS Scores

version 3.1