Improper Locking Affecting kernel-default-livepatch-devel package, versions <5.3.18-24.9.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.11% (46th percentile)

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  • Snyk IDSNYK-SLES152-KERNELDEFAULTLIVEPATCHDEVEL-3261080
  • published14 Apr 2022
  • disclosed3 Aug 2020

Introduced: 3 Aug 2020

CVE-2020-12771  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-default-livepatch-devel to version 5.3.18-24.9.1 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.

An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.

CVSS Scores

version 3.1