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Red Hat: CVE-2021-3752: possible use-after-free in bluetooth module (Multiple Advisories)

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Red Hat: CVE-2021-3752: possible use-after-free in bluetooth module (Multiple Advisories)

Severity
8
CVSS
(AV:A/AC:M/Au:N/C:C/I:C/A:C)
Published
02/16/2022
Created
02/24/2022
Added
02/23/2022
Modified
03/13/2024

Description

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.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • DSA-5096
  • CVE-2021-3752
  • RHSA-2022:0620
  • RHSA-2022:0622
  • RHSA-2022:1975
  • RHSA-2022:1988

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