Use After Free Affecting kernel package, versions <0:4.14.248-129.473.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.09% (40th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNEL-1727915
  • published5 Oct 2021
  • disclosed8 Aug 2021

Introduced: 8 Aug 2021

CVE-2021-38204  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel to version 0:4.14.248-129.473.amzn1 or higher.
This issue was patched in ALAS-2021-1539.

NVD Description

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

drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.13.6 allows physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations.

CVSS Scores

version 3.1