Race Condition Affecting kernel-uek-devel package, versions <0:5.4.17-2136.304.4.1.el7uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEVEL-2604274
  • published10 Apr 2022
  • 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 Oracle:7 kernel-uek-devel to version 0:5.4.17-2136.304.4.1.el7uek or higher.
This issue was patched in ELSA-2022-9147.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-devel package and not the kernel-uek-devel package as distributed by Oracle. See How to fix? for Oracle:7 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