CVE-2026-43085 netfilter: nfnetlink_log: initialize nfgenmsg in NLMSG_DONE terminator

🗓️ 06 May 2026 07:40:19Reported by LinuxType

Fixed nfgenmsg initialization in NLMSG_DONE terminator for NFLOG batching to prevent data leak.

Reporter	Title	Published	Views	Family All 21
ATTACKERKB	CVE-2026-43085	6 May 202607:40	–	attackerkb
Tenable Nessus	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1693)	9 May 202600:00	–	nessus
Tenable Nessus	Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1695)	9 May 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-43085	6 May 202600:00	–	nessus
Circl	CVE-2026-43085	6 May 202610:53	–	circl
CNNVD	Linux kernel 安全漏洞	6 May 202600:00	–	cnnvd
CVE	CVE-2026-43085	6 May 202607:40	–	cve
Debian CVE	CVE-2026-43085	6 May 202607:40	–	debiancve
EUVD	EUVD-2026-27580	6 May 202612:30	–	euvd
NVD	CVE-2026-43085	6 May 202610:16	–	nvd

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nfnetlink_log.c"
    ],
    "versions": [
      {
        "version": "29c5d4afba51c71cfeadd3f74f3c42e064483fb0",
        "lessThan": "296f18e1c3a87c915a92ed27832d5040a22d1072",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c5d4afba51c71cfeadd3f74f3c42e064483fb0",
        "lessThan": "9e2182865de781c41ab16b7985e9d26dcefea867",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c5d4afba51c71cfeadd3f74f3c42e064483fb0",
        "lessThan": "57cc509d82b46150a11dcecc8b25eaa177eda34d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c5d4afba51c71cfeadd3f74f3c42e064483fb0",
        "lessThan": "368c22aea490f6f50df831b4f9e3623787686c5b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c5d4afba51c71cfeadd3f74f3c42e064483fb0",
        "lessThan": "d1399632ba255d2e02c757af5d9f5d9279ce168c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c5d4afba51c71cfeadd3f74f3c42e064483fb0",
        "lessThan": "d552bcfca323d175664d7444989b04f55666978a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c5d4afba51c71cfeadd3f74f3c42e064483fb0",
        "lessThan": "15d209bccf9273b4a8b4e579ba0e92d065b6ec8c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "29c5d4afba51c71cfeadd3f74f3c42e064483fb0",
        "lessThan": "1f3083aec8836213da441270cdb1ab612dd82cf4",
        "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/netfilter/nfnetlink_log.c"
    ],
    "versions": [
      {
        "version": "2.6.23",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.23",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.136",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.83",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/d552bcfca323d175664d7444989b04f55666978a
git	www.git.kernel.org/stable/c/1f3083aec8836213da441270cdb1ab612dd82cf4
git	www.git.kernel.org/stable/c/368c22aea490f6f50df831b4f9e3623787686c5b
git	www.git.kernel.org/stable/c/296f18e1c3a87c915a92ed27832d5040a22d1072
git	www.git.kernel.org/stable/c/57cc509d82b46150a11dcecc8b25eaa177eda34d
git	www.git.kernel.org/stable/c/9e2182865de781c41ab16b7985e9d26dcefea867
git	www.git.kernel.org/stable/c/15d209bccf9273b4a8b4e579ba0e92d065b6ec8c
git	www.git.kernel.org/stable/c/d1399632ba255d2e02c757af5d9f5d9279ce168c

01 Jun 2026 16:14Current

EPSS0.00013