Use After Free Affecting kernel-headers package, versions <0:6.1.38-59.109.amzn2023


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELHEADERS-5788844
  • published20 Jul 2023
  • disclosed5 Jul 2023

Introduced: 5 Jul 2023

CVE-2023-31248  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-headers to version 0:6.1.38-59.109.amzn2023 or higher.
This issue was patched in ALAS2023-2023-251.

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.

Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; nft_chain_lookup_byid() failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace

CVSS Scores

version 3.1