Use After Free Affecting kernel-debug-core package, versions <0:4.18.0-513.18.1.el8_9


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELDEBUGCORE-6266023
  • published24 Feb 2024
  • disclosed5 Apr 2023

Introduced: 5 Apr 2023

CVE-2023-1838  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-debug-core 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-debug-core package and not the kernel-debug-core 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 vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem.

CVSS Scores

version 3.1