Double Free Affecting kernel-livepatch-6_12_0-160000_29-default package, versions <10-160000.1.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-SLES1600-KERNELLIVEPATCH612016000029DEFAULT-21880635
  • published30 Oct 2026
  • disclosed26 Oct 2026

Introduced: 26 Oct 2026

NewCVE-2026-64054  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade SLES:16.0.0 kernel-livepatch-6_12_0-160000_29-default to version 10-160000.1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-6_12_0-160000_29-default package and not the kernel-livepatch-6_12_0-160000_29-default package as distributed by SLES. See How to fix? for SLES:16.0.0 relevant fixed versions and status.

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

net: shaper: reject duplicate leaves in GROUP request

net_shaper_nl_group_doit() does not deduplicate NET_SHAPER_A_LEAVES entries. When userspace supplies the same leaf handle twice, the same old-parent pointer lands twice in old_nodes[]. The cleanup loop double frees the parent. Of course the same parent may still be in old_nodes[] twice if we are moving multiple of its leaves.

Note that this patch also implicitly fixes the fact that the i >= leaves_count path forgets to set ret.

CVSS Base Scores

version 3.1