Incomplete Cleanup Affecting kernel-rt-debug package, versions <0:4.18.0-372.9.1.rt7.166.el8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.2% (59th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUG-4244628
  • published20 Nov 2021
  • disclosed31 Oct 2021

Introduced: 31 Oct 2021

CVE-2021-43976  (opens in a new tab)
CWE-459  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug to version 0:4.18.0-372.9.1.rt7.166.el8 or higher.
This issue was patched in RHSA-2022:1975.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug package and not the kernel-rt-debug package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In the Linux kernel through 5.15.2, mwifiex_usb_recv in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker (who can connect a crafted USB device) to cause a denial of service (skb_over_panic).

CVSS Scores

version 3.1