Double Free Affecting kernel-default-livepatch-devel package, versions <5.3.18-24.102.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.07% (32nd percentile)

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  • Snyk IDSNYK-SLES152-KERNELDEFAULTLIVEPATCHDEVEL-2643705
  • published14 Apr 2022
  • disclosed10 Feb 2022

Introduced: 10 Feb 2022

CVE-2021-22600  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-default-livepatch-devel to version 5.3.18-24.102.1 or higher.

NVD Description

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

A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755

CVSS Scores

version 3.1