Incorrect Calculation Affecting kernel-cross-headers package, versions <0:4.18.0-513.5.1.el8_9


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELCROSSHEADERS-6082648
  • published23 Nov 2023
  • disclosed12 Jun 2023

Introduced: 12 Jun 2023

CVE-2023-3161  (opens in a new tab)
CWE-682  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-cross-headers 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-cross-headers package and not the kernel-cross-headers package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.

CVSS Scores

version 3.1