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.
Metrics
Affected Vendors & Products
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Solution
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Workaround
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Sat, 22 Aug 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-284 |
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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Projects
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MITRE
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-08-22T15:32:45.256Z
Reserved: 2026-08-15T05:44:03.925Z
Link: CVE-2026-74676
Vulnrichment
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NVD
Status : Received
Published: 2026-08-22T16:16:41.710
Modified: 2026-08-22T16:16:41.710
Link: CVE-2026-74676
Redhat
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OpenCVE Enrichment
Updated: 2026-08-22T17:45:02Z