CVE-2025-40074 Affecting kernel-livepatch-6_4_0-150700_53_25-default package, versions <1-150700.15.3.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.37% (30th percentile)

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  • Snyk IDSNYK-SLES157-KERNELLIVEPATCH6401507005325DEFAULT-14424931
  • published16 Dec 2025
  • disclosed15 Dec 2025

Introduced: 15 Dec 2025

CVE-2025-40074  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 kernel-livepatch-6_4_0-150700_53_25-default to version 1-150700.15.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-6_4_0-150700_53_25-default package and not the kernel-livepatch-6_4_0-150700_53_25-default package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

ipv4: start using dst_dev_rcu()

Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF.

Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(), ipv4_neigh_lookup() to use lockdep enabled dst_dev_rcu().

CVSS Base Scores

version 3.1