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CVE-2026-63980

🗓️ 19 Jul 2026 14:56:03Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

Security fix: convert hn_lock to spin_lock_bh/spin_unlock_bh to prevent deadlocks in BH context during NVMe handshake.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-63980 net/handshake: Use spin_lock_bh for hn_lock
19 Jul 202614:56
cvelist
EUVD
EUVD-2026-45753
19 Jul 202614:56
euvd
NVD
CVE-2026-63980
19 Jul 202616:17
nvd
OSV
CVE-2026-63980 net/handshake: Use spin_lock_bh for hn_lock
19 Jul 202614:56
osv
OSV
DEBIAN-CVE-2026-63980
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63980
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61297
19 Jul 202600:00
ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.76.12.93
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/handshake/netlink.c",
      "net/handshake/request.c",
      "net/handshake/tlshd.c"
    ],
    "versions": [
      {
        "version": "675b453e024154dd547921c6e6d5b58747ba7e0e",
        "lessThan": "06ab5978866fc2221b910347fd3e510ca8e7b1a4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "675b453e024154dd547921c6e6d5b58747ba7e0e",
        "lessThan": "0866569fc36a56f568acd3900d354e3505932e09",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "675b453e024154dd547921c6e6d5b58747ba7e0e",
        "lessThan": "91898de9501a047ba67c6b864dcd403e00bdfbf5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "675b453e024154dd547921c6e6d5b58747ba7e0e",
        "lessThan": "cc993e0927ec8bd98ea33377ada03295fcda0f24",
        "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",
      "net/handshake/tlshd.c"
    ],
    "versions": [
      {
        "version": "6.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.7",
        "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 15:17Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.5
EPSS0.00168
7