Improper Locking Affecting kernel-zfcpdump package, versions <0:4.18.0-477.10.1.el8_8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-ALMALINUX8-KERNELZFCPDUMP-5616770
  • published28 May 2023
  • disclosed9 May 2023

Introduced: 9 May 2023

CVE-2022-4129  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 kernel-zfcpdump to version 0:4.18.0-477.10.1.el8_8 or higher.
This issue was patched in ALSA-2023:2951.

NVD Description

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

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.

References

CVSS Scores

version 3.1