Lucene search
+L

CVE-2026-23331 udp: Unhash auto-bound connected sk from 4-tuple hash table when disconnected.

🗓️ 25 Mar 2026 10:27:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

UDP socket that is auto-bound and connected is unhashed from the four-tuple hash table on disconnect.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/udp.c"
    ],
    "versions": [
      {
        "version": "78c91ae2c6deb5d236a5a93ff2995cdd05514380",
        "lessThan": "b955350778b8715e1b7885179979b3a68221c0fb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "78c91ae2c6deb5d236a5a93ff2995cdd05514380",
        "lessThan": "3b8f104880c104151f8c30f2f89df81fb59a286c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "78c91ae2c6deb5d236a5a93ff2995cdd05514380",
        "lessThan": "6996a2d2d0a64808c19c98002aeb5d9d1b2df6a4",
        "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/ipv4/udp.c"
    ],
    "versions": [
      {
        "version": "6.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.17",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.7",
        "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