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CVE-2026-72114 can: bcm: validate frame length in bcm_rx_setup() for RTR replies

🗓️ 15 Aug 2026 05:52:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

can: bcm lacks frame length validation in bcm_rx_setup() for RTR replies, unlike bcm_tx_setup().

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": "cc1f9569f1c1adf74fa69d6f716a31b58a2fc6ce",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "204f2b232717bc470ddb9e1da1d27dd9c6ef0caa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "e061624c0a86c3c26a2bf017e432fbc93ad68f3a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "7d966cdee006911d3957e1a4e72cb93c39cd8c1e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "1b475c0c72f44622a320a4386ce9e76f85e69bc7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "deb6a697cce3f021e731df543597f37a5e54caab",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "59bfddea64159594feb62ef11b7d7a33c8ee3783",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ffd980f976e7fd666c2e61bf8ab35107efd11828",
        "lessThan": "62ec41f364648be79d54d94d0d240ee326948afd",
        "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 16:36Current
CVSS 3.17.8
EPSS0.00164
27