CVE-2025-40187 Affecting kernel-livepatch-6_4_0-150700_53_28-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
0.6% (46th percentile)

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  • Snyk IDSNYK-SLES157-KERNELLIVEPATCH6401507005328DEFAULT-15140557
  • published29 Jan 2026
  • disclosed28 Jan 2026

Introduced: 28 Jan 2026

CVE-2025-40187  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 kernel-livepatch-6_4_0-150700_53_28-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_28-default package and not the kernel-livepatch-6_4_0-150700_53_28-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:

net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()

If new_asoc->peer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0 and sctp_ulpevent_make_authkey() returns 0, then the variable ai_ev remains zero and the zero will be dereferenced in the sctp_ulpevent_free() function.

CVSS Base Scores

version 3.1