CVE-2026-46191 fbcon: Avoid OOB font access if console rotation fails

🗓️ 28 May 2026 09:36:44Reported by LinuxType

Linux kernel fbcon prevents out-of-bounds font access when console rotation fails by clearing the font buffer.

Reporter	Title	Published	Views	Family All 33
ATTACKERKB	CVE-2026-46191	28 May 202609:36	–	attackerkb
CBLMariner	CVE-2026-46191 affecting package kernel for versions less than 6.6.141.1-1	22 Jun 202621:21	–	cbl_mariner
CNNVD	Linux kernel 安全漏洞	28 May 202600:00	–	cnnvd
CVE	CVE-2026-46191	28 May 202609:36	–	cve
Debian CVE	CVE-2026-46191	28 May 202609:36	–	debiancve
EUVD	EUVD-2026-32818	28 May 202609:36	–	euvd
Microsoft CVE	fbcon: Avoid OOB font access if console rotation fails	29 May 202608:04	–	mscve
NVD	CVE-2026-46191	28 May 202610:16	–	nvd
OSV	BELL-CVE-2026-46191	29 May 202606:09	–	osv
OSV	DEBIAN-CVE-2026-46191	28 May 202610:16	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/video/fbdev/core/fbcon_rotate.c"
    ],
    "versions": [
      {
        "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
        "lessThan": "b51c343a81e6e806525a4435e22532c107dd7e9d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
        "lessThan": "46cf3646dea54baeaa2eafe3fb1ba769947f31b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
        "lessThan": "524a6079395916fb3d790ef2bb46a1d2939b27dd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
        "lessThan": "594973a2e54924d8ba31c9faac669fc1ba6fcb80",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
        "lessThan": "ab6c34b9829d5de03f1d08a47a2253729a6e7e27",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
        "lessThan": "7105d9f1387d63b15c9a860674fc92c959181f2f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
        "lessThan": "b44cc78ff46b96e72d333a3be6aaaa0a14797263",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
        "lessThan": "e4ef723d8975a2694cc90733a6b888a5e2841842",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/video/fbdev/core/fbcon_rotate.c"
    ],
    "versions": [
      {
        "version": "2.6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.90",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.32",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.7",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/524a6079395916fb3d790ef2bb46a1d2939b27dd
git	www.git.kernel.org/stable/c/46cf3646dea54baeaa2eafe3fb1ba769947f31b0
git	www.git.kernel.org/stable/c/ab6c34b9829d5de03f1d08a47a2253729a6e7e27
git	www.git.kernel.org/stable/c/e4ef723d8975a2694cc90733a6b888a5e2841842
git	www.git.kernel.org/stable/c/594973a2e54924d8ba31c9faac669fc1ba6fcb80
git	www.git.kernel.org/stable/c/b51c343a81e6e806525a4435e22532c107dd7e9d
git	www.git.kernel.org/stable/c/b44cc78ff46b96e72d333a3be6aaaa0a14797263
git	www.git.kernel.org/stable/c/7105d9f1387d63b15c9a860674fc92c959181f2f

19 Jun 2026 11:59Current

EPSS0.00131