Incorrect Bitwise Shift of Integer Affecting bpftool package, versions <0:4.18.0-513.5.1.el8_9
Threat Intelligence
EPSS
0.04% (11th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-BPFTOOL-5672611
- 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 Centos:8 bpftool to version 0:4.18.0-513.5.1.el8_9 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Centos.
See How to fix? for Centos: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