Lucene search
+L

CVE-2026-63921

🗓️ 19 Jul 2026 14:55:23Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Fix SIOCCHGTUNNEL netns lookup by using tunnel netns, add CAP_NET_ADMIN check.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-63921 ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate().
19 Jul 202614:55
cvelist
EUVD
EUVD-2026-45694
19 Jul 202614:55
euvd
NVD
CVE-2026-63921
19 Jul 202616:17
nvd
OSV
CVE-2026-63921 ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate().
19 Jul 202614:55
osv
OSV
DEBIAN-CVE-2026-63921
19 Jul 202616:17
osv
Positive Technologies
PT-2026-61238
19 Jul 202600:00
ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange3.155.10.259
linuxlinux_kernelRange5.11.05.15.210
linuxlinux_kernelRange5.16.06.1.176
linuxlinux_kernelRange6.2.06.6.143
linuxlinux_kernelRange6.7.06.12.93
linuxlinux_kernelRange6.13.06.18.35
linuxlinux_kernelRange6.19.07.0.12
linuxlinux_kernelRange7.1.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/ip6_vti.c"
    ],
    "versions": [
      {
        "version": "61220ab349485d911083d0b7990ccd3db6c63297",
        "lessThan": "94ff740a7f9ef5c010784a325dca00cbf228f941",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61220ab349485d911083d0b7990ccd3db6c63297",
        "lessThan": "df42ac708acc3399bbb6dc5ca16e0540adda7bbf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61220ab349485d911083d0b7990ccd3db6c63297",
        "lessThan": "44d2ff7d2178503b93151140a45dfa2ad49c9906",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61220ab349485d911083d0b7990ccd3db6c63297",
        "lessThan": "1acfb7d9c6fc7e209ed7789392697e97e03edd33",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61220ab349485d911083d0b7990ccd3db6c63297",
        "lessThan": "d2236348414bdd6558385f35aa7fdc9bf5634011",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61220ab349485d911083d0b7990ccd3db6c63297",
        "lessThan": "853f6ea482dfcd3404bbef458ab4d68364eed838",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61220ab349485d911083d0b7990ccd3db6c63297",
        "lessThan": "596f6354c96a891e58c04a09cbfb7b0d1ec00dab",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "61220ab349485d911083d0b7990ccd3db6c63297",
        "lessThan": "8b484efd5cb4eeef9021a661e198edc5349dacf6",
        "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/ipv6/ip6_vti.c"
    ],
    "versions": [
      {
        "version": "3.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "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