CVE-2026-53120 (GCVE-0-2026-53120)
Vulnerability from cvelistv5
Published
2026-06-24 16:30
Modified
2026-06-24 16:30
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: PCI: use generic driver_override infrastructure When a driver is probed through __driver_attach(), the bus' match() callback is called without the device lock held, thus accessing the driver_override field without a lock, which can cause a UAF. Fix this by using the driver-core driver_override infrastructure taking care of proper locking internally. Note that calling match() from __driver_attach() without the device lock held is intentional. [1]
References
Impacted products
Vendor Product Version
Linux Linux Version: 782a985d7af26db39e86070d28f987cad21313c0
Version: 782a985d7af26db39e86070d28f987cad21313c0
Version: 782a985d7af26db39e86070d28f987cad21313c0
Version: 782a985d7af26db39e86070d28f987cad21313c0
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/pci/pci-driver.c",
            "drivers/pci/pci-sysfs.c",
            "drivers/pci/probe.c",
            "drivers/vfio/pci/vfio_pci_core.c",
            "drivers/xen/xen-pciback/pci_stub.c",
            "include/linux/pci.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "dfe950d9464cad609f3b118c6203e2708055bc61",
              "status": "affected",
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              "versionType": "git"
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/pci/pci-driver.c",
            "drivers/pci/pci-sysfs.c",
            "drivers/pci/probe.c",
            "drivers/vfio/pci/vfio_pci_core.c",
            "drivers/xen/xen-pciback/pci_stub.c",
            "include/linux/pci.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.16"
            },
            {
              "lessThan": "3.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.91",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.91",
                  "versionStartIncluding": "3.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.33",
                  "versionStartIncluding": "3.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.10",
                  "versionStartIncluding": "3.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "3.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: use generic driver_override infrastructure\n\nWhen a driver is probed through __driver_attach(), the bus\u0027 match()\ncallback is called without the device lock held, thus accessing the\ndriver_override field without a lock, which can cause a UAF.\n\nFix this by using the driver-core driver_override infrastructure taking\ncare of proper locking internally.\n\nNote that calling match() from __driver_attach() without the device lock\nheld is intentional. [1]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-24T16:30:50.592Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/dfe950d9464cad609f3b118c6203e2708055bc61"
        },
        {
          "url": "https://git.kernel.org/stable/c/58a42be0d70307d765594fc581f5f5e5ef059712"
        },
        {
          "url": "https://git.kernel.org/stable/c/c5b2c5755495507e14f310c2653c85de0a309b1f"
        },
        {
          "url": "https://git.kernel.org/stable/c/10a4206a24013be4d558d476010cbf2eb4c9fa64"
        }
      ],
      "title": "PCI: use generic driver_override infrastructure",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-53120",
    "datePublished": "2026-06-24T16:30:50.592Z",
    "dateReserved": "2026-06-09T07:44:35.386Z",
    "dateUpdated": "2026-06-24T16:30:50.592Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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