Use After Free Affecting kernel-devel package, versions <0:4.14.285-215.501.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN2-KERNELDEVEL-2950416
  • published15 Jul 2022
  • disclosed29 Aug 2022

Introduced: 15 Jul 2022

CVE-2022-1184  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 kernel-devel to version 0:4.14.285-215.501.amzn2 or higher.
This issue was patched in ALAS2-2022-1813.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-devel package and not the kernel-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service.

CVSS Scores

version 3.1