CVE-2024-50081 Affecting kernel-rt-modules-partner package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELRTMODULESPARTNER-8314814
  • published31 Oct 2024
  • disclosed29 Oct 2024

Introduced: 29 Oct 2024

CVE-2024-50081  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 kernel-rt-modules-partner.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-modules-partner package and not the kernel-rt-modules-partner package as distributed by RHEL. See How to fix? for RHEL:9 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