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Red Hat: CVE-2022-4129: missing lock when clearing sk_user_data can lead to NULL pointer dereference (Multiple Advisories)

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Red Hat: CVE-2022-4129: missing lock when clearing sk_user_data can lead to NULL pointer dereference (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
11/28/2022
Created
05/15/2023
Added
05/15/2023
Modified
09/03/2024

Description

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.

Solution(s)

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

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