Incorrect Bitwise Shift of Integer Affecting kernel-core package, versions <0:5.14.0-70.75.1.el9_0
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Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-5955330
- published 8 Jun 2023
- disclosed 25 Jan 2023
Introduced: 25 Jan 2023
CVE-2023-3161 Open this link in a new tabHow to fix?
Upgrade RHEL:9 kernel-core to version 0:5.14.0-70.75.1.el9_0 or higher.
This issue was patched in RHSA-2023:5604.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by RHEL.
See How to fix? for RHEL:9 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.