CVE-2024-27403 Affecting kernel-rt package, versions <0:5.14.0-427.40.1.el9_4


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-ALMALINUX9-KERNELRT-8305028
  • published25 Oct 2024
  • disclosed16 Oct 2024

Introduced: 16 Oct 2024

CVE-2024-27403  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 kernel-rt to version 0:5.14.0-427.40.1.el9_4 or higher.
This issue was patched in ALSA-2024:8162.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt package and not the kernel-rt package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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

netfilter: nft_flow_offload: reset dst in route object after setting up flow

dst is transferred to the flow object, route object does not own it anymore. Reset dst in route object, otherwise if flow_offload_add() fails, error path releases dst twice, leading to a refcount underflow.

CVSS Scores

version 3.1