Incorrect Bitwise Shift of Integer Affecting kernel-tools-devel package, versions <0:4.14.309-231.529.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELTOOLSDEVEL-5789110
- published 20 Jul 2023
- disclosed 12 Jun 2023
Introduced: 12 Jun 2023
CVE-2023-3161 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-tools-devel to version 0:4.14.309-231.529.amzn2 or higher.
This issue was patched in ALAS2-2023-1987.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools-devel package and not the kernel-tools-devel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 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.