NULL Pointer Dereference Affecting kernel-rt-debug-modules-extra package, versions <0:4.18.0-477.10.1.rt7.274.el8_8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGMODULESEXTRA-5548711
  • published19 Jan 2023
  • disclosed17 Jan 2023

Introduced: 17 Jan 2023

CVE-2023-0394  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-modules-extra to version 0:4.18.0-477.10.1.rt7.274.el8_8 or higher.
This issue was patched in RHSA-2023:2736.

NVD Description

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

A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in the Linux kernel. This flaw causes the system to crash.

CVSS Scores

version 3.1