CVE-2024-27403 Affecting kernel-livepatch-6.1.82-99.168 package, versions <0:1.0-0.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELLIVEPATCH618299168-8495922
  • published11 Dec 2024
  • disclosed17 May 2024

Introduced: 17 May 2024

CVE-2024-27403  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-livepatch-6.1.82-99.168 to version 0:1.0-0.amzn2023 or higher.
This issue was patched in ALAS2023-2024-784.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-6.1.82-99.168 package and not the kernel-livepatch-6.1.82-99.168 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: 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