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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 9f8cbaf4b774694dcc292e60509762483ebfd9ae
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < ddc4a8303347114e945b9e6e81b81d77855f7358
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 1c5b67a1e2cb7d78dab321280f330b056e3bf437
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < d8ead5083b203d12b8319e7cb29cc6b8836e813f
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 4671c3b79e337bbae28c2d79023dc642df012bde
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < a1c31e026c93e378e297a8df8328983d3013a59f
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 7bf32337a7103ccb686cbd240324bf26225ef2d6
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < a7ad0034453ba4c353f9b8f810ee2569de33d283
0 affected < 5.10.265
0 affected < 5.15.216
0 affected < 6.1.183
0 affected < 6.6.152
0 affected < 6.12.104
0 affected < 6.18.45
0 affected < 7.1.9
Linux Linux affected
Version Status Constraints
5.10.265 unaffected ≤ 5.10.*
5.15.216 unaffected ≤ 5.15.*
6.1.183 unaffected ≤ 6.1.*
6.6.152 unaffected ≤ 6.6.*
6.12.104 unaffected ≤ 6.12.*
6.18.45 unaffected ≤ 6.18.*
7.1.9 unaffected ≤ 7.1.*
7.2 unaffected ≤ *

No data.

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/1c5b67a1e2cb7d78dab321280f330b056e3bf437 cve-icon
https://git.kernel.org/stable/c/4671c3b79e337bbae28c2d79023dc642df012bde cve-icon
https://git.kernel.org/stable/c/7bf32337a7103ccb686cbd240324bf26225ef2d6 cve-icon
https://git.kernel.org/stable/c/9f8cbaf4b774694dcc292e60509762483ebfd9ae cve-icon
https://git.kernel.org/stable/c/a1c31e026c93e378e297a8df8328983d3013a59f cve-icon
https://git.kernel.org/stable/c/a7ad0034453ba4c353f9b8f810ee2569de33d283 cve-icon
https://git.kernel.org/stable/c/d8ead5083b203d12b8319e7cb29cc6b8836e813f cve-icon
https://git.kernel.org/stable/c/ddc4a8303347114e945b9e6e81b81d77855f7358 cve-icon
History

Sat, 22 Aug 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title vt: add permission check for KDSKBMETA ioctl
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-08-22T15:32:45.256Z

Reserved: 2026-08-15T05:44:03.925Z

Link: CVE-2026-74676

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.