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CVE-2022-50636 PCI: Fix pci_device_is_present() for VFs by checking PF

🗓️ 09 Dec 2025 00:00:09Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Linux kernel fix: pci_device_is_present checks physical function for virtual functions to prevent virtio I/O hang.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/pci/pci.c"
    ],
    "versions": [
      {
        "version": "8496e85c20e7836b3dec97780e40f420a3ae2801",
        "lessThan": "f4b44c7766dae2b8681f621941cabe9f14066d59",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8496e85c20e7836b3dec97780e40f420a3ae2801",
        "lessThan": "643d77fda08d06f863af35e80a7e517ea61d9629",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8496e85c20e7836b3dec97780e40f420a3ae2801",
        "lessThan": "65bd0962992abd42e77a05e68c7b40e7c73726d1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8496e85c20e7836b3dec97780e40f420a3ae2801",
        "lessThan": "99ef6cc791584495987dd11b14769b450dfa5820",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8496e85c20e7836b3dec97780e40f420a3ae2801",
        "lessThan": "67fd41bbb0f51aa648a47f728b99e6f1fa2ccc34",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8496e85c20e7836b3dec97780e40f420a3ae2801",
        "lessThan": "81565e51ccaf6fff8910e997ee22e16b5e1dabc3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8496e85c20e7836b3dec97780e40f420a3ae2801",
        "lessThan": "518573988a2f14f517403db2ece5ddaefba21e94",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8496e85c20e7836b3dec97780e40f420a3ae2801",
        "lessThan": "98b04dd0b4577894520493d96bc4623387767445",
        "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/pci/pci.c"
    ],
    "versions": [
      {
        "version": "3.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.303",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.270",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.229",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.163",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.87",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.18",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.4",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 19:22Current
EPSS0.00177
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