Use After Free Affecting kernel-livepatch-5_14_21-150500_13_5-rt package, versions <3-150500.2.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-SLES155-KERNELLIVEPATCH51421150500135RT-5920333
  • published27 Sept 2023
  • disclosed26 Sept 2023

Introduced: 26 Sep 2023

CVE-2023-31248  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 kernel-livepatch-5_14_21-150500_13_5-rt to version 3-150500.2.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-5_14_21-150500_13_5-rt package and not the kernel-livepatch-5_14_21-150500_13_5-rt package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; nft_chain_lookup_byid() failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace

CVSS Scores

version 3.1