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CVE-2026-72113 can: bcm: add missing device refcount for CAN filter removal

🗓️ 15 Aug 2026 05:52:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

bcm.c skips can_rx_unregister on device unregistration, leaving stale CAN filter pointing at freed socket.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/can/bcm.c"
    ],
    "versions": [
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "bd5232663524e94cc5aad861dca11e3db8e2ab6f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "ee8b36d0faca08f35b889b6e9aa850695e5b8ba9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "dcaee869913c7210cd47ed0a8f27349d7bdcdb7b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "84aa4807816e405c1bf87114fc63e06d244281ef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "633bda66fbf309f5de5e1ad6defe8e6b1d77a20f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "b024c21c9066f6957b7d4a8f2037e4b000c5e041",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "04d23061bbf18d5d81022eb21e9d32e99d24468d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "d59948293ea34b6337ce2b5febab8510de70048c",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/can/bcm.c"
    ],
    "versions": [
      {
        "version": "2.6.25",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.25",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.265",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.216",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.148",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Aug 2026 16:35Current
CVSS 3.17.8
EPSS0.00164
23