Lucene search
K

CVE-2026-31738 vxlan: validate ND option lengths in vxlan_na_create

🗓️ 01 May 2026 14:14:34Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

CVE-2026-31738 fixes vxlan_na_create option length validation to prevent out-of-bounds parsing.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/vxlan/vxlan_core.c"
    ],
    "versions": [
      {
        "version": "4b29dba9c085a4fb79058fb1c45a2f6257ca3dfa",
        "lessThan": "901c1dd3bab2955d7e664f914c374c8c3ac2b958",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4b29dba9c085a4fb79058fb1c45a2f6257ca3dfa",
        "lessThan": "e476745917a1e288eb15e7ff49d286a86a4861d3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4b29dba9c085a4fb79058fb1c45a2f6257ca3dfa",
        "lessThan": "2029712fb2c87e9a8c75094906f2ee29bf08c500",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4b29dba9c085a4fb79058fb1c45a2f6257ca3dfa",
        "lessThan": "602596c69a70e50d9ab8c6ae0290a01f88229dd7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4b29dba9c085a4fb79058fb1c45a2f6257ca3dfa",
        "lessThan": "de20d2e3b9179d132f5f5b44e490d7c916c6321b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4b29dba9c085a4fb79058fb1c45a2f6257ca3dfa",
        "lessThan": "eddfce70a6f3107d1679b0c2fcbeb96b593bd679",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4b29dba9c085a4fb79058fb1c45a2f6257ca3dfa",
        "lessThan": "b69c4236255bd8de16cd876e58c6f0867d1d78b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4b29dba9c085a4fb79058fb1c45a2f6257ca3dfa",
        "lessThan": "afa9a05e6c4971bd5586f1b304e14d61fb3d9385",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d8be18c52dbc94989f6d74637b731af39cd3d902",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3927dace523706cc00f808520eaf2125dd7c07b5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3.12.18",
        "lessThan": "3.13",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "3.13.10",
        "lessThan": "3.14",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/vxlan/vxlan_core.c"
    ],
    "versions": [
      {
        "version": "3.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.253",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.168",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.134",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.81",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.22",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.12",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "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