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CVE-2026-64518

🗓️ 25 Jul 2026 09:14:44Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

CVE-2026-64518: Linux kernel fixes out-of-bounds twsk access in tcp_ao_established_key by not using lockdep_sock_is_held() in TCP_TIME_WAIT.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-64518
25 Jul 202609:14
attackerkb
Cvelist
CVE-2026-64518 tcp: Fix out-of-bounds access for twsk in tcp_ao_established_key().
25 Jul 202609:14
cvelist
EUVD
EUVD-2026-48862
25 Jul 202609:14
euvd
NVD
CVE-2026-64518
25 Jul 202610:17
nvd
Positive Technologies
PT-2026-64739
25 Jul 202600:00
ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.12.56.12.92
OR
linuxlinux_kernelRange6.136.12.92
linuxlinux_kernelRange6.13.06.18.34
linuxlinux_kernelRange6.19.07.0.11
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/ipv4/tcp_ao.c"
    ],
    "versions": [
      {
        "version": "051f49d5176613dea88ecf73a101c3a99f4720e9",
        "lessThan": "87bb3e719042f0030a6dad39118c6a6b2a491ad9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6b2d11e2d8fc130df4708be0b6b53fd3e6b54cf6",
        "lessThan": "510db031ba6eb40134f84c90ef963ea4b6dfb878",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6b2d11e2d8fc130df4708be0b6b53fd3e6b54cf6",
        "lessThan": "29cf64d128c94cf98d1c69d8b2962d39db5ff4c6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6b2d11e2d8fc130df4708be0b6b53fd3e6b54cf6",
        "lessThan": "03cb001ef87b3f8d859cf7f96329acf3d6235d29",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.12.5",
        "lessThan": "6.12.92",
        "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/ipv4/tcp_ao.c"
    ],
    "versions": [
      {
        "version": "6.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.92",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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25 Jul 2026 10:17Current
5.8Medium risk
Vulners AI Score5.8
3