Skip to content
CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-74676

vt: add permission check for KDSKBMETA ioctl

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
Linux

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 9f8cbaf4b774694dcc292e60509762483ebfd9aeaffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < ddc4a8303347114e945b9e6e81b81d77855f7358affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 1c5b67a1e2cb7d78dab321280f330b056e3bf437affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < d8ead5083b203d12b8319e7cb29cc6b8836e813faffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 4671c3b79e337bbae28c2d79023dc642df012bdeaffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < a1c31e026c93e378e297a8df8328983d3013a59faffected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < 7bf32337a7103ccb686cbd240324bf26225ef2d6affected
  • 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to < a7ad0034453ba4c353f9b8f810ee2569de33d283affected

Linux Linux

Default version status: affected

  • 2.6.12affected
  • 0 to < 2.6.12unaffected
  • 5.10.265 to ≤ 5.10.*unaffected
  • 5.15.216 to ≤ 5.15.*unaffected
  • 6.1.183 to ≤ 6.1.*unaffected
  • 6.6.152 to ≤ 6.6.*unaffected
  • 6.12.104 to ≤ 6.12.*unaffected
  • 6.18.45 to ≤ 6.18.*unaffected
  • 7.1.9 to ≤ 7.1.*unaffected
  • 7.2 to ≤ *unaffected

References