Use After Free Affecting kernel-livepatch-5_3_18-24_107-default package, versions <4-150200.2.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES152-KERNELLIVEPATCH531824107DEFAULT-2803325
  • published26 Apr 2022
  • disclosed25 Apr 2022

Introduced: 25 Apr 2022

CVE-2022-1055  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-livepatch-5_3_18-24_107-default to version 4-150200.2.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-5_3_18-24_107-default package and not the kernel-livepatch-5_3_18-24_107-default package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5

CVSS Scores

version 3.1