CVE-2024-50251 Affecting kernel-rt package, versions <0:5.14.0-503.16.1.el9_5


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.05% (23rd percentile)

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  • Snyk IDSNYK-ALMALINUX9-KERNELRT-8548921
  • published24 Dec 2024
  • disclosed11 Dec 2024

Introduced: 11 Dec 2024

NewCVE-2024-50251  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 kernel-rt to version 0:5.14.0-503.16.1.el9_5 or higher.
This issue was patched in ALSA-2024:10939.

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_payload: sanitize offset and length before calling skb_checksum()

If access to offset + length is larger than the skbuff length, then skb_checksum() triggers BUG_ON().

skb_checksum() internally subtracts the length parameter while iterating over skbuff, BUG_ON(len) at the end of it checks that the expected length to be included in the checksum calculation is fully consumed.

CVSS Scores

version 3.1