Time-of-check Time-of-use (TOCTOU) Affecting kernel-livepatch-4_12_14-150_83-default package, versions <1-1.5.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
7.26% (94th percentile)

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  • Snyk IDSNYK-SLES150-KERNELLIVEPATCH4121415083DEFAULT-2644066
  • published14 Apr 2022
  • disclosed10 Feb 2022

Introduced: 10 Feb 2022

CVE-2019-15126  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-livepatch-4_12_14-150_83-default to version 1-1.5.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-4_12_14-150_83-default package and not the kernel-livepatch-4_12_14-150_83-default package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

An issue was discovered on Broadcom Wi-Fi client devices. Specifically timed and handcrafted traffic can cause internal errors (related to state transitions) in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure over the air for a discrete set of traffic, a different vulnerability than CVE-2019-9500, CVE-2019-9501, CVE-2019-9502, and CVE-2019-9503.

CVSS Base Scores

version 3.1