CVE-2026-64183

🗓️ 19 Jul 2026 15:41:05Reported by LinuxType

Linux fixes EFI runtime workqueue allocation before ACPI init to prevent NULL dereference.

Reporter	Title	Published	Views	Family All 8
ATTACKERKB	CVE-2026-64183	19 Jul 202615:41	–	attackerkb
Circl	CVE-2026-64183	19 Jul 202618:35	–	circl
Cvelist	CVE-2026-64183 efi: Allocate runtime workqueue before ACPI init	19 Jul 202615:41	–	cvelist
EUVD	EUVD-2026-45868	19 Jul 202615:41	–	euvd
NVD	CVE-2026-64183	19 Jul 202616:18	–	nvd
OSV	CVE-2026-64183 efi: Allocate runtime workqueue before ACPI init	19 Jul 202615:41	–	osv
OSV	DEBIAN-CVE-2026-64183	19 Jul 202616:18	–	osv
Positive Technologies	PT-2026-61500	19 Jul 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange6.6–6.6.142

linux linux_kernelRange6.7.0–6.12.92

linux linux_kernelRange6.13.0–6.18.34

linux linux_kernelRange6.19.0–7.0.11

linux linux_kernelRange7.1.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/firmware/efi/efi.c"
    ],
    "versions": [
      {
        "version": "5894cf571e14fb393a4d0a82538de032127b9d8b",
        "lessThan": "29cd94e678fcb3c4fd0f359deeac6d61334323fc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5894cf571e14fb393a4d0a82538de032127b9d8b",
        "lessThan": "6996e954ae830f5b793ba6cf449885ca519dbdd2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5894cf571e14fb393a4d0a82538de032127b9d8b",
        "lessThan": "c32a1fbe0f9a48453a552bb315cc4f1e7a74084e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5894cf571e14fb393a4d0a82538de032127b9d8b",
        "lessThan": "e871549f7894ad4114b3dd53f241aa25a268ba8b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5894cf571e14fb393a4d0a82538de032127b9d8b",
        "lessThan": "13c6da02e767152c9ac4330962247a5e47011035",
        "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/firmware/efi/efi.c"
    ],
    "versions": [
      {
        "version": "6.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.142",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.92",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "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/c32a1fbe0f9a48453a552bb315cc4f1e7a74084e
git	www.git.kernel.org/stable/c/13c6da02e767152c9ac4330962247a5e47011035
git	www.git.kernel.org/stable/c/29cd94e678fcb3c4fd0f359deeac6d61334323fc
git	www.git.kernel.org/stable/c/6996e954ae830f5b793ba6cf449885ca519dbdd2
git	www.git.kernel.org/stable/c/e871549f7894ad4114b3dd53f241aa25a268ba8b

19 Jul 2026 16:18Current

5.4Medium risk

Vulners AI Score5.4