Race Condition Affecting kernel-debuginfo package, versions <0:4.14.248-189.473.amzn2


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-AMZN2-KERNELDEBUGINFO-1729132
  • published7 Oct 2021
  • disclosed3 Sept 2021

Introduced: 3 Sep 2021

CVE-2021-40490  (opens in a new tab)
CWE-362  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Amazon-Linux:2 kernel-debuginfo to version 0:4.14.248-189.473.amzn2 or higher.
This issue was patched in ALAS2-2021-1712.

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:2 relevant fixed versions and status.

A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.

CVSS Scores

version 3.1