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CVE-2026-31411

🗓️ 08 Apr 2026 13:06:17Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 42 Views🌐 WEB

Linux kernel fixes crash from unvalidated vcc pointer in sigd_send by validating with find_get_vcc.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange2.6.12.15.10.252
linuxlinux_kernelRange5.115.15.202
linuxlinux_kernelRange5.166.1.165
linuxlinux_kernelRange6.26.6.128
linuxlinux_kernelRange6.76.12.75
linuxlinux_kernelRange6.136.18.14
linuxlinux_kernelRange6.196.19.4
linuxlinux_kernelMatch2.6.12rc2
linuxlinux_kernelMatch2.6.12rc3
linuxlinux_kernelMatch2.6.12rc4
linuxlinux_kernelMatch2.6.12rc5
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/atm/signaling.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "c96549d07dfdd51aadf0722cfb40711574424840",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "1c8bda3df028d5e54134077dcd09f46ca8cfceb5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "3e1a8b00095246a9a2b46b57f6d471c6d3c00ed2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "e3f80666c2739296c3b69a127300455c43aa1067",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "21c303fec138c002f90ed33bce60e807d53072bb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "69d3f9ee5489e6e8b66defcfa226e91d82393297",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "440c9a5fc477a8ee259d8bf669531250b8398651",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "ae88a5d2f29b69819dc7b04086734439d074a643",
        "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/atm/signaling.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.252",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.202",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.165",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.128",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.14",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
msg->vccpathgist.github.com/mrpre/1ba5949c45529c511152e2f4c755b0f3Unvalidated vcc pointer read from msg->vcc in the ATM signaling path in the Linux kernel (sigd_send) can be forged by userspace via sendmsg, leading to use-after-free/deref issues.CWE-476
vcc pointerpathgist.github.com/mrpre/1ba5949c45529c511152e2f4c755b0f3Unvalidated vcc pointer read from msg->vcc in the ATM signaling path in the Linux kernel (sigd_send) can be forged by userspace via sendmsg, leading to use-after-free/deref issues.CWE-476
SFDINGvcc?pathgist.github.com/mrpre/1ba5949c45529c511152e2f4c755b0f3Unvalidated vcc pointer read from msg->vcc in the ATM signaling path in the Linux kernel (sigd_send) can be forged by userspace via sendmsg, leading to use-after-free/deref issues.CWE-476

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25 Jul 2026 10:10Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.5
EPSS0.00131
42