Incomplete Cleanup Affecting kernel-headers package, versions <0:6.1.82-99.168.amzn2023


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELHEADERS-7709214
  • published20 Aug 2024
  • disclosed17 Apr 2024

Introduced: 17 Apr 2024

CVE-2024-26835  (opens in a new tab)
CWE-459  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-headers to version 0:6.1.82-99.168.amzn2023 or higher.
This issue was patched in ALAS2023-2024-603.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-headers package and not the kernel-headers package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

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

netfilter: nf_tables: set dormant flag on hook register failure

We need to set the dormant flag again if we fail to register the hooks.

During memory pressure hook registration can fail and we end up with a table marked as active but no registered hooks.

On table/base chain deletion, nf_tables will attempt to unregister the hook again which yields a warn splat from the nftables core.

CVSS Scores

version 3.1