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CVE-2026-63978

🗓️ 19 Jul 2026 14:56:02Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 22 Views

Fix draining of pending handshake requests on net namespace exit to prevent list corruption.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-63978
19 Jul 202614:56
attackerkb
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1968)
20 Jul 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0895
26 Jun 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-63978
20 Jul 202600:00
nessus
cvelist
Cvelist
CVE-2026-63978 net/handshake: Drain pending requests at net namespace exit
19 Jul 202614:56
cvelist
debiancve
Debian CVE
CVE-2026-63978
19 Jul 202614:56
debiancve
euvd
EUVD
EUVD-2026-45751
19 Jul 202614:56
euvd
nvd
NVD
CVE-2026-63978
19 Jul 202616:17
nvd
osv
OSV
BELL-CVE-2026-63978
22 Jul 202606:04
osv
osv
OSV
DEBIAN-CVE-2026-63978
19 Jul 202616:17
osv
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.46.12.93
linuxlinux_kernelRange6.13.06.18.44
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/handshake/netlink.c",
      "net/handshake/request.c"
    ],
    "versions": [
      {
        "version": "3b3009ea8abb713b022d94fba95ec270cf6e7eae",
        "lessThan": "9ec20c9a5a04f2c3f1cf65d21f886d7aaa6189cd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3b3009ea8abb713b022d94fba95ec270cf6e7eae",
        "lessThan": "2bf24a7e190aae0ea47c78099938ae056c622e44",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3b3009ea8abb713b022d94fba95ec270cf6e7eae",
        "lessThan": "8c35539db0ab0bfa1ea44efab00b053261a69469",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3b3009ea8abb713b022d94fba95ec270cf6e7eae",
        "lessThan": "ea5fe6a73ca57e5150b8a38b341aef2636eb72f0",
        "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/handshake/netlink.c",
      "net/handshake/request.c"
    ],
    "versions": [
      {
        "version": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "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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09 Aug 2026 19:17Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.19.8
EPSS0.00598
22