CVE-2022-49987 Affecting reiserfs-kmp-default package, versions <5.14.21-150400.24.170.2


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (9th percentile)

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  • Snyk IDSNYK-SLES154-REISERFSKMPDEFAULT-11176222
  • published29 Jul 2025
  • disclosed28 Jul 2025

Introduced: 28 Jul 2025

NewCVE-2022-49987  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 reiserfs-kmp-default to version 5.14.21-150400.24.170.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream reiserfs-kmp-default package and not the reiserfs-kmp-default package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

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

md: call __md_stop_writes in md_stop

From the link [1], we can see raid1d was running even after the path raid_dtr -> md_stop -> __md_stop.

Let's stop write first in destructor to align with normal md-raid to fix the KASAN issue.

[1]. https://lore.kernel.org/linux-raid/CAPhsuW5gc4AakdGNdF8ubpezAuDLFOYUO_sfMZcec6hQFm8nhg@mail.gmail.com/T/#m7f12bf90481c02c6d2da68c64aeed4779b7df74a

CVSS Base Scores

version 3.1