Double Free Affecting kernel-debuginfo package, versions <0:4.14.309-159.529.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELDEBUGINFO-3369541
  • published23 Mar 2023
  • disclosed25 Feb 2023

Introduced: 25 Feb 2023

CVE-2023-26545  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-debuginfo to version 0:4.14.309-159.529.amzn1 or higher.
This issue was patched in ALAS-2023-1701.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo package and not the kernel-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a new location) during the renaming of a device.

CVSS Scores

version 3.1