Use After Free Affecting kernel-uek package, versions <0:4.14.35-2047.529.3.el7uek


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-ORACLE7-KERNELUEK-5879342
  • published2 Sept 2023
  • disclosed24 Jul 2023

Introduced: 24 Jul 2023

CVE-2023-3567  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek to version 0:4.14.35-2047.529.3.el7uek or higher.
This issue was patched in ELSA-2023-12792.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek package and not the kernel-uek package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.

CVSS Scores

version 3.1