CVE-2026-43123
fbcon: check return value of con2fb_acquire_newinfo()
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: fbcon: check return value of con2fb_acquire_newinfo() If fbcon_open() fails when called from con2fb_acquire_newinfo() then info->fbcon_par pointer remains NULL which is later dereferenced. Add check for return value of the function con2fb_acquire_newinfo() to avoid it. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.23
References 7
git.kernel.org
- stable/c/d3e535533767c85788529e626478718b7e95a59f
- stable/c/3b5a754ec86bc6064af9aca76eb191c2405e6b0c
- stable/c/a785c4e2a999c2d51dfcf40d317cfb30cc735d2c
- stable/c/0b038c0be6827dd2dbb1ce4f8d92d97c80cbe9cc
- stable/c/11a93180a70bb3095a9bd80d113d9277e30d9959
- stable/c/f57b61624c86ef8f87f6e6b7dd0755de03d90e89
- stable/c/011a0502801c8536f64141a2b61362c14f456544