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CVE-2021-4454

🗓️ 27 Mar 2025 16:37:09Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 79 Views

Linux kernel vulnerability CVE-2021-4454 resolves erroneous ref-count handling in j1939 sessions.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange5.4.1385.4.232
linuxlinux_kernelRange5.10.565.10.168
linuxlinux_kernelRange5.13.85.14
linuxlinux_kernelRange5.14.15.15.93
linuxlinux_kernelRange5.166.1.11
linuxlinux_kernelMatch5.14rc4
linuxlinux_kernelMatch5.14rc5
linuxlinux_kernelMatch5.14rc6
linuxlinux_kernelMatch5.14rc7
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/can/j1939/transport.c"
    ],
    "versions": [
      {
        "version": "7eef18c0479ba5d9f54fba30cd77c233ebca3eb1",
        "lessThan": "6950df42a03c9ac9290503ced3f371199cb68fa9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55dd22c5d029423f513fd849e633adf0e9c10d0c",
        "lessThan": "b6d44072117bba057d50f7a2f96e5d070c65926d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0c71437dd50dd687c15d8ca80b3b68f10bb21d63",
        "lessThan": "9ab896775f98ff54b68512f345eed178bf961084",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0c71437dd50dd687c15d8ca80b3b68f10bb21d63",
        "lessThan": "1740a1e45eee65099a92fb502e1e67e63aad277d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0c71437dd50dd687c15d8ca80b3b68f10bb21d63",
        "lessThan": "d0553680f94c49bbe0e39eb50d033ba563b4212d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5e1fc537c1be332aef9621ca9146aeb3ba59522f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.4.138",
        "lessThan": "5.4.232",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.10.56",
        "lessThan": "5.10.168",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.13.8",
        "lessThan": "5.14",
        "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/j1939/transport.c"
    ],
    "versions": [
      {
        "version": "5.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.232",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.168",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.93",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.11",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Jun 2026 04:19Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.15.5
EPSS0.00226
79