CVE-2026-74676 (GCVE-0-2026-74676)

Vulnerability from cvelistv5 – Published: 2026-08-22 15:32 – Updated: 2026-08-25 05:23
VLAI
Title
vt: add permission check for KDSKBMETA ioctl
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.
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6667 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9f8cbaf4b774694dcc292e60509762483ebfd9ae (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < ddc4a8303347114e945b9e6e81b81d77855f7358 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 1c5b67a1e2cb7d78dab321280f330b056e3bf437 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < d8ead5083b203d12b8319e7cb29cc6b8836e813f (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4671c3b79e337bbae28c2d79023dc642df012bde (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a1c31e026c93e378e297a8df8328983d3013a59f (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7bf32337a7103ccb686cbd240324bf26225ef2d6 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a7ad0034453ba4c353f9b8f810ee2569de33d283 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 5.10.265 , ≤ 5.10.* (semver)
Unaffected: 5.15.216 , ≤ 5.15.* (semver)
Unaffected: 6.1.183 , ≤ 6.1.* (semver)
Unaffected: 6.6.152 , ≤ 6.6.* (semver)
Unaffected: 6.12.104 , ≤ 6.12.* (semver)
Unaffected: 6.18.45 , ≤ 6.18.* (semver)
Unaffected: 7.1.9 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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        }
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      "providerMetadata": {
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    "dateReserved": "2026-08-15T05:44:03.925Z",
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    "state": "PUBLISHED"
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      "source": "Microsoft CSAF VEX",
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      "title": "vt: add permission check for KDSKBMETA ioctl",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-74676.json",
      "version": "4"
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        ],
        "id": "CVE-2026-74676",
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        "metrics": {},
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      "product_status:known_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: vt: add permission check for KDSKBMETA ioctl",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74676.json",
      "version": "3"
    }
  }
}



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