CVE-2026-43123
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
06/05/2026
Last modified:
06/05/2026
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
fbcon: check return value of con2fb_acquire_newinfo()<br />
<br />
If fbcon_open() fails when called from con2fb_acquire_newinfo() then<br />
info->fbcon_par pointer remains NULL which is later dereferenced.<br />
<br />
Add check for return value of the function con2fb_acquire_newinfo() to<br />
avoid it.<br />
<br />
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/011a0502801c8536f64141a2b61362c14f456544
- https://git.kernel.org/stable/c/0b038c0be6827dd2dbb1ce4f8d92d97c80cbe9cc
- https://git.kernel.org/stable/c/11a93180a70bb3095a9bd80d113d9277e30d9959
- https://git.kernel.org/stable/c/3b5a754ec86bc6064af9aca76eb191c2405e6b0c
- https://git.kernel.org/stable/c/a785c4e2a999c2d51dfcf40d317cfb30cc735d2c
- https://git.kernel.org/stable/c/d3e535533767c85788529e626478718b7e95a59f
- https://git.kernel.org/stable/c/f57b61624c86ef8f87f6e6b7dd0755de03d90e89



