CVE-2026-53345

🗓️ 01 Jul 2026 13:32:25Reported by LinuxType

The CVE describes a Linux kernel KVM issue where a page dirty operation could warn about a missing running vCPU even when the VM is dying. The behavior was tied to the VM’s refcount and the state of SEV-ES guests; if a guest memory page remained d...

Reporter	Title	Published	Views	Family All 6
ATTACKERKB	CVE-2026-53345	1 Jul 202613:32	–	attackerkb
Cvelist	CVE-2026-53345 KVM: Don't WARN if memory is dirtied without a vCPU when the VM is dying	1 Jul 202613:32	–	cvelist
Debian CVE	CVE-2026-53345	1 Jul 202613:32	–	debiancve
EUVD	EUVD-2026-40979	1 Jul 202613:32	–	euvd
NVD	CVE-2026-53345	1 Jul 202614:16	–	nvd
RedhatCVE	CVE-2026-53345	1 Jul 202619:51	–	redhatcve

Vulners

CNA

Node

linux linux_kernelRange0–6.6.143

linux linux_kernelRange0–6.12.94

linux linux_kernelRange0–6.18.36

linux linux_kernelRange0–7.0.13

linux linux_kernelRange6.6.0–6.6.143

linux linux_kernelRange6.7.0–6.12.94

linux linux_kernelRange6.13.0–6.18.36

linux linux_kernelRange6.19.0–7.0.13

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": [
      "virt/kvm/kvm_main.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "033d39e41fc30f484f4e4f37fb4cd76b12cbb18e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "66a8e7ddd901023c89a2733494d827eca3f9c1b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "343e95c8ecc40e0738975ef4ee24c0c35e800e6b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "99d7d43784ae3235026581e9bf892c036e04c8e6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "8618004d3e897c0f1b71d9a9ab860461289bb89a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "6.6.143",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.12.94",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.18.36",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "7.0.13",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "virt/kvm/kvm_main.c"
    ],
    "versions": [
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "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/66a8e7ddd901023c89a2733494d827eca3f9c1b0
git	www.git.kernel.org/stable/c/99d7d43784ae3235026581e9bf892c036e04c8e6
git	www.git.kernel.org/stable/c/033d39e41fc30f484f4e4f37fb4cd76b12cbb18e
git	www.git.kernel.org/stable/c/343e95c8ecc40e0738975ef4ee24c0c35e800e6b
git	www.git.kernel.org/stable/c/8618004d3e897c0f1b71d9a9ab860461289bb89a

01 Jul 2026 14:16Current

5.8Medium risk

Vulners AI Score5.8