Use After Free Affecting kernel-debug package, versions <0:4.18.0-513.5.1.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-KERNELDEBUG-6082516
  • published23 Nov 2023
  • disclosed5 Apr 2023

Introduced: 5 Apr 2023

CVE-2023-1855  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-debug to version 0:4.18.0-513.5.1.el8_9 or higher.
This issue was patched in ELSA-2023-7077.

NVD Description

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

A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system due to a race problem. This vulnerability could even lead to a kernel information leak problem.

CVSS Base Scores

version 3.1