CVE-2026-46006 drm/nouveau: fix u32 overflow in pushbuf reloc bounds check

🗓️ 27 May 2026 12:56:05Reported by LinuxType

CVE-2026-46006 drm nouveau fixes 32-bit overflow in pushbuf relocation bounds by casting to 64-bit.

Reporter	Title	Published	Views	Family All 44
ATTACKERKB	CVE-2026-46006	27 May 202612:56	–	attackerkb
CBLMariner	CVE-2026-46006 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	27 May 202600:00	–	cnnvd
CVE	CVE-2026-46006	27 May 202612:56	–	cve
Debian CVE	CVE-2026-46006	27 May 202612:56	–	debiancve
EUVD	EUVD-2026-32303	27 May 202612:56	–	euvd
Microsoft CVE	drm/nouveau: fix u32 overflow in pushbuf reloc bounds check	28 May 202608:12	–	mscve
NVD	CVE-2026-46006	27 May 202614:17	–	nvd
OPENSUSE Linux	kernel-devel-7.0.11-1.1 on GA media (moderate)	8 Jun 202600:00	–	opensuse
OSV	BELL-CVE-2026-46006	29 May 202606:10	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/nouveau/nouveau_gem.c"
    ],
    "versions": [
      {
        "version": "a1606a9596e54da90ad6209071b357a4c1b0fa82",
        "lessThan": "3429275684f4bad42876955301f3c5c814aae909",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a1606a9596e54da90ad6209071b357a4c1b0fa82",
        "lessThan": "573a1104bd36e49c067a9dc62e7c476d5ee7e92a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a1606a9596e54da90ad6209071b357a4c1b0fa82",
        "lessThan": "45a45184b9c0b0b26ead06e370cda2073616a7cc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a1606a9596e54da90ad6209071b357a4c1b0fa82",
        "lessThan": "fa297e919d1680c38ab268ff952b1698dac987f6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a1606a9596e54da90ad6209071b357a4c1b0fa82",
        "lessThan": "d749a9a0ee4014681487e7ae549901aa8c176637",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a1606a9596e54da90ad6209071b357a4c1b0fa82",
        "lessThan": "332884f5eb79dd60a7162b079d09d39208567a31",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a1606a9596e54da90ad6209071b357a4c1b0fa82",
        "lessThan": "e441d5c23ec644c8d27593db3b8928e8933512a9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a1606a9596e54da90ad6209071b357a4c1b0fa82",
        "lessThan": "2fc87d37be1b730a149b035f9375fdb8cc5333a5",
        "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/nouveau/nouveau_gem.c"
    ],
    "versions": [
      {
        "version": "2.6.34",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.34",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.86",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "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/573a1104bd36e49c067a9dc62e7c476d5ee7e92a
git	www.git.kernel.org/stable/c/e441d5c23ec644c8d27593db3b8928e8933512a9
git	www.git.kernel.org/stable/c/45a45184b9c0b0b26ead06e370cda2073616a7cc
git	www.git.kernel.org/stable/c/fa297e919d1680c38ab268ff952b1698dac987f6
git	www.git.kernel.org/stable/c/332884f5eb79dd60a7162b079d09d39208567a31
git	www.git.kernel.org/stable/c/2fc87d37be1b730a149b035f9375fdb8cc5333a5
git	www.git.kernel.org/stable/c/d749a9a0ee4014681487e7ae549901aa8c176637
git	www.git.kernel.org/stable/c/3429275684f4bad42876955301f3c5c814aae909

19 Jun 2026 11:59Current

CVSS 3.17.8

EPSS0.00129