NULL Pointer Dereference Affecting kernel package, versions <0:4.18.0-513.18.1.el8_9


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-ORACLE8-KERNEL-6265798
  • published24 Feb 2024
  • disclosed19 Apr 2023

Introduced: 19 Apr 2023

CVE-2023-2166  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel to version 0:4.18.0-513.18.1.el8_9 or higher.
This issue was patched in ELSA-2024-0897.

NVD Description

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

A null pointer dereference issue was found in can protocol in net/can/af_can.c in the Linux before Linux. ml_priv may not be initialized in the receive path of CAN frames. A local user could use this flaw to crash the system or potentially cause a denial of service.

CVSS Base Scores

version 3.1