Use After Free Affecting kernel-tools-debuginfo package, versions <0:4.14.299-152.520.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.07% (31st percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELTOOLSDEBUGINFO-3157581
  • published6 Dec 2022
  • disclosed30 Sept 2022

Introduced: 30 Sep 2022

CVE-2022-41849  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-tools-debuginfo to version 0:4.14.299-152.520.amzn1 or higher.
This issue was patched in ALAS-2022-1645.

NVD Description

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

drivers/video/fbdev/smscufx.c in the Linux kernel through 5.19.12 has a race condition and resultant use-after-free if a physically proximate attacker removes a USB device while calling open(), aka a race condition between ufx_ops_open and ufx_usb_disconnect.

CVSS Scores

version 3.1