CVE-2024-50081 Affecting gfs2-kmp-default package, versions <6.4.0-150600.23.30.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-SLES156-GFS2KMPDEFAULT-8512553
  • published14 Dec 2024
  • disclosed13 Dec 2024

Introduced: 13 Dec 2024

NewCVE-2024-50081  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 gfs2-kmp-default to version 6.4.0-150600.23.30.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gfs2-kmp-default package and not the gfs2-kmp-default package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

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

blk-mq: setup queue ->tag_set before initializing hctx

Commit 7b815817aa58 ("blk-mq: add helper for checking if one CPU is mapped to specified hctx") needs to check queue mapping via tag set in hctx's cpuhp handler.

However, q->tag_set may not be setup yet when the cpuhp handler is enabled, then kernel oops is triggered.

Fix the issue by setup queue tag_set before initializing hctx.

CVSS Scores

version 3.1