Lucene search
K

CVE-2021-4454

🗓️ 27 Mar 2025 16:37:09Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 70 Views

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

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
linuxlinux_kernelRange5.4.1385.4.232
OR
linuxlinux_kernelRange5.10.565.10.168
OR
linuxlinux_kernelRange5.13.85.14
OR
linuxlinux_kernelRange5.14.15.15.93
OR
linuxlinux_kernelRange5.166.1.11
OROR
linuxlinux_kernelMatch5.14rc4
OR
linuxlinux_kernelMatch5.14rc5
OR
linuxlinux_kernelMatch5.14rc6
OR
linuxlinux_kernelMatch5.14rc7
OROROROROROR
[
  {
    "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"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

17 Jun 2026 04:19Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.15.5
EPSS0.0021
70