NULL Pointer Dereference Affecting reiserfs-kmp-default package, versions <5.3.18-59.24.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES153-REISERFSKMPDEFAULT-2664947
  • published14 Apr 2022
  • disclosed23 Sept 2021

Introduced: 23 Sep 2021

CVE-2021-3739  (opens in a new tab)
CWE-476  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade SLES:15.3 reiserfs-kmp-default to version 5.3.18-59.24.1 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:15.3 relevant fixed versions and status.

A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1