vulnerability
Red Hat: CVE-2022-4129: missing lock when clearing sk_user_data can lead to NULL pointer dereference (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Nov 28, 2022 | May 15, 2023 | Jun 30, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Nov 28, 2022
Added
May 15, 2023
Modified
Jun 30, 2025
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-kernelredhat-upgrade-kernel-rt
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