CVE-2026-74676
vt: add permission check for KDSKBMETA ioctl
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: vt: add permission check for KDSKBMETA ioctl KDSKBMETA modifies keyboard meta mode but lacks the !perm check that all other keyboard setter ioctls in vt_k_ioctl() enforce, allowing a process to change meta mode on a non-controlling console without authorization.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.12
References 8
git.kernel.org
- stable/c/9f8cbaf4b774694dcc292e60509762483ebfd9ae
- stable/c/ddc4a8303347114e945b9e6e81b81d77855f7358
- stable/c/1c5b67a1e2cb7d78dab321280f330b056e3bf437
- stable/c/d8ead5083b203d12b8319e7cb29cc6b8836e813f
- stable/c/4671c3b79e337bbae28c2d79023dc642df012bde
- stable/c/a1c31e026c93e378e297a8df8328983d3013a59f
- stable/c/7bf32337a7103ccb686cbd240324bf26225ef2d6
- stable/c/a7ad0034453ba4c353f9b8f810ee2569de33d283