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CVE-2026-72119 can: bcm: extend bcm_tx_lock usage for data and timer updates

🗓️ 15 Aug 2026 05:52:58Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Race condition in Linux kernel CAN BCM allows torn 64-bit reads and partial frame updates leading to memory corruption and kernel exploit.

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": "7595de7bc56e0e52b74e56c90f7e247bf626d628",
        "lessThan": "a538b072ee074c9b41b9d9c15a6861a963e30755",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fbd8fdc2b218e979cfe422b139b8f74c12419d1f",
        "lessThan": "63422347b4c782f429748b2a09cd3cf3b77e6abd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2a437b86ac5a9893c902f30ef66815bf13587bf6",
        "lessThan": "37917e432e50b7de2b64230974380132a30f7270",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "76c84c3728178b2d38d5604e399dfe8b0752645e",
        "lessThan": "52f06e7603780de100233713ddaf971d422e10ef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cc55dd28c20a6611e30596019b3b2f636819a4c0",
        "lessThan": "972fd66bb08fdef1090abe43196ca8da07216d13",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c2aba69d0c36a496ab4f2e81e9c2b271f2693fd7",
        "lessThan": "bd46f55dec608daa44b45dcf3328517630ad8e40",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c2aba69d0c36a496ab4f2e81e9c2b271f2693fd7",
        "lessThan": "337f966c00662d81ad82cf5a4bbb150b2e32c0d4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c2aba69d0c36a496ab4f2e81e9c2b271f2693fd7",
        "lessThan": "12ce799f7ab1e05bd8fbf79e46f403bfe5597ebc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8f1c022541bf5a923c8d6fa483112c15250f30a4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c4e8a172501e677ebd8ea9d9161d97dc4df56fbd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.238",
        "lessThan": "5.10.265",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.185",
        "lessThan": "5.15.216",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.141",
        "lessThan": "6.1.183",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.93",
        "lessThan": "6.6.148",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.31",
        "lessThan": "6.12.101",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.4.294",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.14.9",
        "lessThan": "6.15",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "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": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "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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