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CVE-2025-22031 PCI/bwctrl: Fix NULL pointer dereference on bus number exhaustion

🗓️ 16 Apr 2025 14:11:51Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

CVE-2025-22031 resolves NULL pointer dereference in PCI bandwidth controller on bus exhaustion.

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/pcie/bwctrl.c"
    ],
    "versions": [
      {
        "version": "665745f274870c921020f610e2c99a3b1613519b",
        "lessThan": "d93d309013e89631630a12b1770d27e4be78362a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "665745f274870c921020f610e2c99a3b1613519b",
        "lessThan": "1181924af78e5299ddec6e457789c02dd5966559",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "665745f274870c921020f610e2c99a3b1613519b",
        "lessThan": "667f053b05f00a007738cd7ed6fa1901de19dc7e",
        "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/pcie/bwctrl.c"
    ],
    "versions": [
      {
        "version": "6.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.13.11",
        "lessThanOrEqual": "6.13.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.14.2",
        "lessThanOrEqual": "6.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.15",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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