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CVE-2022-50555

🗓️ 07 Oct 2025 15:21:16Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Fixed null pointer dereference in tipc_topsrv_accept by guarding listener with idr_lock.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
linuxlinux_kernelRange4.174.19.264
OR
linuxlinux_kernelRange4.205.4.223
OR
linuxlinux_kernelRange5.55.10.153
OR
linuxlinux_kernelRange5.115.15.77
OR
linuxlinux_kernelRange5.166.0.7
OROR
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/tipc/topsrv.c"
    ],
    "versions": [
      {
        "version": "0ef897be12b8b4cf297b6016e79ec97ec90f2cf6",
        "lessThan": "ce69bdac2310152bb70845024d5d704c52aabfc3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0ef897be12b8b4cf297b6016e79ec97ec90f2cf6",
        "lessThan": "24b129aed8730e48f47d852d58d76825ab6f407c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0ef897be12b8b4cf297b6016e79ec97ec90f2cf6",
        "lessThan": "32a3d4660b34ce49ac0162338ebe362098e2f5df",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0ef897be12b8b4cf297b6016e79ec97ec90f2cf6",
        "lessThan": "7a939503fc32bff4ed60800b73ff7fbb4aea2142",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0ef897be12b8b4cf297b6016e79ec97ec90f2cf6",
        "lessThan": "cedb41664e27b2cae7e21487f1bee22dcd84037d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0ef897be12b8b4cf297b6016e79ec97ec90f2cf6",
        "lessThan": "82cb4e4612c633a9ce320e1773114875604a3cce",
        "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/tipc/topsrv.c"
    ],
    "versions": [
      {
        "version": "4.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.264",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.223",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.153",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.77",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.7",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 19:21Current
6Medium risk
Vulners AI Score6
CVSS 3.15.5
EPSS0.00017
6