NULL Pointer Dereference Affecting kernel-debug-core package, versions <0:4.18.0-513.5.1.el8_9


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.18% (9th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELDEBUGCORE-3359361
  • published14 Mar 2023
  • disclosed18 Nov 2022

Introduced: 18 Nov 2022

CVE-2023-1382  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-debug-core to version 0:4.18.0-513.5.1.el8_9 or higher.

NVD Description

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

A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. This issue leads to a NULL pointer dereference when accessing con->sock->sk in net/tipc/topsrv.c in the tipc protocol in the Linux kernel.

CVSS Base Scores

version 3.1