CVE-2026-89894

🗓️ 16 Sep 2026 10:31:56Reported by LinuxType

Heap out-of-bounds write in Linux kernel cx231xx via VBI geometry change while VBI queue is busy.

Reporter	Title	Published	Views	Family All 5
Cvelist	CVE-2026-89894 media: cx231xx: reject geometry changes while the VBI queue is busy	16 Sep 202610:31	–	cvelist
Debian CVE	CVE-2026-89894	16 Sep 202610:31	–	debiancve
EUVD	EUVD-2026-80494	16 Sep 202610:31	–	euvd
NVD	CVE-2026-89894	16 Sep 202611:16	–	nvd
OSV	DEBIAN-CVE-2026-89894	16 Sep 202611:16	–	osv

Vulners

CNA

Node

linux linux_kernelRange5.5–5.10.270

linux linux_kernelRange5.11.0–5.15.221

linux linux_kernelRange5.16.0–6.1.188

linux linux_kernelRange6.2.0–6.6.157

linux linux_kernelRange6.7.0–6.12.110

linux linux_kernelRange6.13.0–6.18.51

linux linux_kernelRange6.19.0–7.2.5

linux linux_kernelRange7.3.0–7.3-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/media/usb/cx231xx/cx231xx-video.c"
    ],
    "versions": [
      {
        "version": "7c617138b8254a6bb60bfb5b8fc53eb8b3d6c3ab",
        "lessThan": "aa3314506deb9703bcf0e889db08959440228fbf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c617138b8254a6bb60bfb5b8fc53eb8b3d6c3ab",
        "lessThan": "90d50648af36a1fbf5dbc99238de6fd0e58a13e0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c617138b8254a6bb60bfb5b8fc53eb8b3d6c3ab",
        "lessThan": "a5dd3d7fba358ff9486f3f51b2a9038348c0970a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c617138b8254a6bb60bfb5b8fc53eb8b3d6c3ab",
        "lessThan": "54ac6df8b8d97eddc3ae97fd2045bdedc8541b6d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c617138b8254a6bb60bfb5b8fc53eb8b3d6c3ab",
        "lessThan": "1d1079db8d1807e259a1d2679ed314949797aad9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c617138b8254a6bb60bfb5b8fc53eb8b3d6c3ab",
        "lessThan": "7087bef6510c7df5df0b19192633b8ecc0f33a6f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c617138b8254a6bb60bfb5b8fc53eb8b3d6c3ab",
        "lessThan": "a636c72c7f522d984fa498fc0631f33a2d0be3fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7c617138b8254a6bb60bfb5b8fc53eb8b3d6c3ab",
        "lessThan": "627a121c15fe05a541f44d86016294b80bada75d",
        "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/media/usb/cx231xx/cx231xx-video.c"
    ],
    "versions": [
      {
        "version": "5.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.270",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.110",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.5",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/1d1079db8d1807e259a1d2679ed314949797aad9
git	www.git.kernel.org/stable/c/7087bef6510c7df5df0b19192633b8ecc0f33a6f
git	www.git.kernel.org/stable/c/a636c72c7f522d984fa498fc0631f33a2d0be3fd
git	www.git.kernel.org/stable/c/627a121c15fe05a541f44d86016294b80bada75d
git	www.git.kernel.org/stable/c/54ac6df8b8d97eddc3ae97fd2045bdedc8541b6d
git	www.git.kernel.org/stable/c/90d50648af36a1fbf5dbc99238de6fd0e58a13e0
git	www.git.kernel.org/stable/c/aa3314506deb9703bcf0e889db08959440228fbf
git	www.git.kernel.org/stable/c/a5dd3d7fba358ff9486f3f51b2a9038348c0970a

16 Sep 2026 15:18Current

6Medium risk

Vulners AI Score6

CVSS 3.17.8