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CVE-2025-21938

🗓️ 01 Apr 2025 15:41:04Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 129 Views🌐 WEB

Resolved vulnerability in Linux kernel's MPTCP leading to scheduling issues during concurrent calls.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
linuxlinux_kernelRange5.186.1.131
OR
linuxlinux_kernelRange6.26.6.83
OR
linuxlinux_kernelRange6.76.12.19
OR
linuxlinux_kernelRange6.136.13.7
OR
linuxlinux_kernelMatch6.14rc1
OR
linuxlinux_kernelMatch6.14rc2
OR
linuxlinux_kernelMatch6.14rc3
OR
linuxlinux_kernelMatch6.14rc4
OR
linuxlinux_kernelMatch6.14rc5
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mptcp/pm_netlink.c"
    ],
    "versions": [
      {
        "version": "d045b9eb95a9b611c483897a69e7285aefdc66d7",
        "lessThan": "f1404f368c40fc6a068dad72e4ee0824ee6a78ee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d045b9eb95a9b611c483897a69e7285aefdc66d7",
        "lessThan": "f3fcdb2de9fdbed9d8c6a8eb2c5fbd7d6f54a4d8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d045b9eb95a9b611c483897a69e7285aefdc66d7",
        "lessThan": "4b228dae3d2cc6d9dce167449cd8fa9f028e9376",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d045b9eb95a9b611c483897a69e7285aefdc66d7",
        "lessThan": "125ccafe6dd062901b5a0c31ee9038740fc8859e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d045b9eb95a9b611c483897a69e7285aefdc66d7",
        "lessThan": "022bfe24aad8937705704ff2e414b100cf0f2e1a",
        "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/mptcp/pm_netlink.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.131",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.83",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.19",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.13.7",
        "lessThanOrEqual": "6.13.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.14",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
local_addr_listpathnet/mptcp/pm_netlink.cRace condition in implicit local address creation during parallel MPTCP connection setup leads to concurrent deletions via synchronize_rcu in an RCU read context.CWE-362
synchronize_rcupathnet/mptcp/pm_netlink.cRace condition in implicit local address creation during parallel MPTCP connection setup leads to concurrent deletions via synchronize_rcu in an RCU read context.CWE-362
mptcp_pm_nl_append_new_local_addrpathnet/mptcp/pm_netlink.cRace condition in implicit local address creation during parallel MPTCP connection setup leads to concurrent deletions via synchronize_rcu in an RCU read context.CWE-362
mptcp_pm_nl_get_local_idpathnet/mptcp/pm_netlink.cRace condition in implicit local address creation during parallel MPTCP connection setup leads to concurrent deletions via synchronize_rcu in an RCU read context.CWE-362

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11 May 2026 21:09Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.14.7
EPSS0.00014
129