Race Condition Affecting kernel-tools-libs package, versions <0:4.18.0-372.9.1.el8


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.12% (47th percentile)

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  • Snyk IDSNYK-ROCKY8-KERNELTOOLSLIBS-3192756
  • published5 Jan 2023
  • disclosed16 Feb 2022

Introduced: 16 Feb 2022

CVE-2021-3752  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 kernel-tools-libs to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RLSA-2022:1988.

NVD Description

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

A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Scores

version 3.1