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CVE-2025-40248 vsock: Ignore signal/timeout on connect() if already established

🗓️ 04 Dec 2025 16:08:11Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

Ignore signal/timeout on vsock connect if already connected to prevent races with send and sockmap.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/vmw_vsock/af_vsock.c"
    ],
    "versions": [
      {
        "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
        "lessThan": "3f71753935d648082a8279a97d30efe6b85be680",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
        "lessThan": "da664101fb4a0de5cb70d2bae6a650df954df2af",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
        "lessThan": "67432915145848658149683101104e32f9fd6559",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
        "lessThan": "eeca93f06df89be5a36305b7b9dae1ed65550dfc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
        "lessThan": "5998da5a8208ae9ad7838ba322bccb2bdcd95e81",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
        "lessThan": "f1c170cae285e4b8f61be043bb17addc3d0a14b5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
        "lessThan": "ab6b19f690d89ae4709fba73a3c4a7911f495b7a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
        "lessThan": "002541ef650b742a198e4be363881439bb9d86b4",
        "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/vmw_vsock/af_vsock.c"
    ],
    "versions": [
      {
        "version": "3.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.302",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.247",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.197",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.159",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.118",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.60",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.10",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:45Current
EPSS0.00195
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