Use After Free Affecting kernel-livepatch-5_3_18-150300_59_90-default package, versions <4-150300.2.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-SLES153-KERNELLIVEPATCH53181503005990DEFAULT-3263830
  • published19 Oct 2022
  • disclosed18 Oct 2022

Introduced: 18 Oct 2022

CVE-2022-42720  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 kernel-livepatch-5_3_18-150300_59_90-default to version 4-150300.2.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-5_3_18-150300_59_90-default package and not the kernel-livepatch-5_3_18-150300_59_90-default package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.

CVSS Scores

version 3.1