CVE-2021-46976

🗓️ 28 Feb 2024 08:13:07Reported by LinuxType

Linux kernel vulnerability CVE-2021-46976 resolved: fix crash in auto_retire logic due to misaligned function address, causing invalid opcode and potential crashes

Reporter	Title	Published	Views	Family All 131
Tenable Nessus	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-002 (ALASKERNEL-5.10-2022-002)	2 May 202200:00	–	nessus
Tenable Nessus	RHEL 6 : kernel (Unpatched Vulnerability)	11 May 202400:00	–	nessus
Tenable Nessus	RHEL 7 : kernel (Unpatched Vulnerability)	11 May 202400:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2021-46976	5 Mar 202500:00	–	nessus
Amazon	Important: kernel	28 Jan 202200:00	–	amazon
Circl	CVE-2021-46976	29 Feb 202410:11	–	circl
CNNVD	Linux kernel security vulnerabilities	28 Feb 202400:00	–	cnnvd
Cvelist	CVE-2021-46976 drm/i915: Fix crash in auto_retire	28 Feb 202408:13	–	cvelist
Debian CVE	CVE-2021-46976	28 Feb 202408:13	–	debiancve
NVD	CVE-2021-46976	28 Feb 202409:15	–	nvd

NVD

Vulners

CNA

Node

linux linux_kernelRange5.8–5.10.38

linux linux_kernelRange5.11–5.11.22

linux linux_kernelRange5.12–5.12.5

linux linux_kernelMatch5.13rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/i915/i915_active.c"
    ],
    "versions": [
      {
        "version": "229007e02d697b0662f85378aae53531b0dfea05",
        "lessThan": "805c990a9c54b9451d3daff640b850909c31ab9d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "229007e02d697b0662f85378aae53531b0dfea05",
        "lessThan": "608441de3976c526b02af4d7063093c8adf351e3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "229007e02d697b0662f85378aae53531b0dfea05",
        "lessThan": "f7520970d5353cb1fa4d9089a1b23669c5da97fe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "229007e02d697b0662f85378aae53531b0dfea05",
        "lessThan": "402be8a101190969fc7ff122d07e262df86e132b",
        "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/gpu/drm/i915/i915_active.c"
    ],
    "versions": [
      {
        "version": "5.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.38",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.11.22",
        "lessThanOrEqual": "5.11.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.12.5",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/402be8a101190969fc7ff122d07e262df86e132b
git	www.git.kernel.org/stable/c/f7520970d5353cb1fa4d9089a1b23669c5da97fe
git	www.git.kernel.org/stable/c/805c990a9c54b9451d3daff640b850909c31ab9d
git	www.git.kernel.org/stable/c/608441de3976c526b02af4d7063093c8adf351e3

11 May 2026 13:45Current

6.5Medium risk

Vulners AI Score6.5

CVSS 3.15.5

EPSS0.00038

SSVC