CVE-2026-64413

🗓️ 25 Jul 2026 08:50:53Reported by LinuxType

CVE-2026-64413: Linux kernel ebtables could free an uninitialized chainstack due to sparse cpu mask.

Reporter	Title	Published	Views	Family All 9
Cvelist	CVE-2026-64413 netfilter: ebtables: zero chainstack array	25 Jul 202608:50	–	cvelist
Debian CVE	CVE-2026-64413	25 Jul 202608:50	–	debiancve
EUVD	EUVD-2026-48957	25 Jul 202608:50	–	euvd
NVD	CVE-2026-64413	25 Jul 202610:17	–	nvd
OSV	CVE-2026-64413 netfilter: ebtables: zero chainstack array	25 Jul 202608:50	–	osv
OSV	DEBIAN-CVE-2026-64413	25 Jul 202610:17	–	osv
Positive Technologies	PT-2026-64634	25 Jul 202600:00	–	ptsecurity
SUSE CVE	SUSE CVE-2026-64413	25 Jul 202615:59	–	susecve
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-64413	25 Jul 202600:00	–	nessus

Vulners

CNA

Node

linux linux_kernelRange2.6.12–5.10.261

linux linux_kernelRange5.11.0–5.15.212

linux linux_kernelRange5.16.0–6.1.178

linux linux_kernelRange6.2.0–6.6.145

linux linux_kernelRange6.7.0–6.12.97

linux linux_kernelRange6.13.0–6.18.39

linux linux_kernelRange6.19.0–7.1.4

linux linux_kernelRange7.2.0–7.2-rc3

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bridge/netfilter/ebtables.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "2ade612967e2cdfb9290ebcb773f302c82f311fa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "42bef500d07b5769d916e9122a3e3fa3fd2245ef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "fc7f105451044501a50cfd530cfa3b472c54acbc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "9e6c5169db423e51dcc66a73fd15409c0d38e088",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "29bf41a9b59aff9f6197df58641a00037d567ca8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "9f74d28e903fa4fdf82f870d0aeadddc8196e41c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "5ee856e4208acafaaaf7b84824d39b78c21345d6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "cbfe53599eebffd188938ab6774cc41794f6f9d5",
        "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/bridge/netfilter/ebtables.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/29bf41a9b59aff9f6197df58641a00037d567ca8
git	www.git.kernel.org/stable/c/9e6c5169db423e51dcc66a73fd15409c0d38e088
git	www.git.kernel.org/stable/c/5ee856e4208acafaaaf7b84824d39b78c21345d6
git	www.git.kernel.org/stable/c/2ade612967e2cdfb9290ebcb773f302c82f311fa
git	www.git.kernel.org/stable/c/9f74d28e903fa4fdf82f870d0aeadddc8196e41c
git	www.git.kernel.org/stable/c/fc7f105451044501a50cfd530cfa3b472c54acbc
git	www.git.kernel.org/stable/c/cbfe53599eebffd188938ab6774cc41794f6f9d5
git	www.git.kernel.org/stable/c/42bef500d07b5769d916e9122a3e3fa3fd2245ef

25 Jul 2026 10:17Current

5.8Medium risk

Vulners AI Score5.8

EPSS0.0022