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CVE-2022-49434 PCI: Avoid pci_dev_lock() AB/BA deadlock with sriov_numvfs_store()

🗓️ 26 Feb 2025 02:12:51Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Fixed CVE-2022-49434 by reversing lock order to prevent deadlock in PCI operations.

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": "17530e71e0166a37f8e20a9b7bcf1d50ae3cff8e",
        "lessThan": "c3c6dc1853b8bf3c718f96fd8480a6eb09ba4831",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17530e71e0166a37f8e20a9b7bcf1d50ae3cff8e",
        "lessThan": "aed6d4d519210c28817948f34c53b6e058e0456c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17530e71e0166a37f8e20a9b7bcf1d50ae3cff8e",
        "lessThan": "c9a81f9ed6ae3554621d6a50220b1bc74b67d81e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17530e71e0166a37f8e20a9b7bcf1d50ae3cff8e",
        "lessThan": "eff3587b9c01439b738298475e555c028ac9f55e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17530e71e0166a37f8e20a9b7bcf1d50ae3cff8e",
        "lessThan": "2cdd5284035322795b0964f899eefba254cfe483",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17530e71e0166a37f8e20a9b7bcf1d50ae3cff8e",
        "lessThan": "ea047f51172aa68841adef7f52d375002438b8f0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17530e71e0166a37f8e20a9b7bcf1d50ae3cff8e",
        "lessThan": "59ea6b3ae51df7cd6bfd84c9c0030609b9315622",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "17530e71e0166a37f8e20a9b7bcf1d50ae3cff8e",
        "lessThan": "a91ee0e9fca9d7501286cfbced9b30a33e52740a",
        "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": "4.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.283",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.247",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.198",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.121",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.46",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.17.14",
        "lessThanOrEqual": "5.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18.3",
        "lessThanOrEqual": "5.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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