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CVE-2026-63968

🗓️ 19 Jul 2026 14:55:55Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

IPv6 fix for possible infinite loop in fib6_select_path due to tb6_lock and fib6_siblings RCU.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-63968 ipv6: fix possible infinite loop in fib6_select_path()
19 Jul 202614:55
cvelist
Debian CVE
CVE-2026-63968
19 Jul 202614:55
debiancve
EUVD
EUVD-2026-45741
19 Jul 202614:55
euvd
NVD
CVE-2026-63968
19 Jul 202616:17
nvd
OSV
CVE-2026-63968 ipv6: fix possible infinite loop in fib6_select_path()
19 Jul 202614:55
osv
OSV
DEBIAN-CVE-2026-63968
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63968
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61285
19 Jul 202600:00
ptsecurity
RedhatCVE
CVE-2026-63968
21 Jul 202623:05
redhatcve
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-63968
20 Jul 202600:00
nessus
Rows per page
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange6.1.1286.1.176
linuxlinux_kernelRange6.6.756.6.143
linuxlinux_kernelRange6.12.26.12.93
linuxlinux_kernelRange6.11.116.12
OR
linuxlinux_kernelRange6.136.1.176
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/route.c"
    ],
    "versions": [
      {
        "version": "d0ec61c9f3583b76aebdbb271f5c0d3fcccd48b2",
        "lessThan": "3948a7d92f7678e89e1776bb2d169afcad63b1ae",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "52da02521ede55fb86546c3fffd9377b3261b91f",
        "lessThan": "c87cd3cb309634bc8f50a54e2079424f219ac21f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34a949e7a0869dfa31a40416d2a56973fae1807b",
        "lessThan": "0f7b73c3452635de83b8711b31abdda8e49aad7b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d9ccb18f83ea2bb654289b6ecf014fd267cc988b",
        "lessThan": "ab9a10969a907b472a0196d999c08ff7144172e3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d9ccb18f83ea2bb654289b6ecf014fd267cc988b",
        "lessThan": "9b9d5bd6e3d4c9cecab5407604b690684b2532d2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d9ccb18f83ea2bb654289b6ecf014fd267cc988b",
        "lessThan": "9c7da87c2dc860bb17ca1ece942495d28b1ce3b9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "11edcd026012ac18acee0f1514db3ed1b160fc6f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.1.128",
        "lessThan": "6.1.176",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.75",
        "lessThan": "6.6.143",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.2",
        "lessThan": "6.12.93",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.11.11",
        "lessThan": "6.12",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/route.c"
    ],
    "versions": [
      {
        "version": "6.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.13",
        "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"
      }
    ]
  }
]

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20 Jul 2026 15:16Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.5
EPSS0.00655
9