CVE-2026-46101 netfilter: reject zero shift in nft_bitwise

🗓️ 27 May 2026 12:59:08Reported by LinuxType

CVE-2026-46101: netfilter nft_bitwise rejects zero shift operands to prevent 32-bit shifts.

Reporter	Title	Published	Views	Family All 16
ATTACKERKB	CVE-2026-46101	27 May 202612:59	–	attackerkb
CNNVD	Linux kernel 安全漏洞	27 May 202600:00	–	cnnvd
CVE	CVE-2026-46101	27 May 202612:59	–	cve
Debian CVE	CVE-2026-46101	27 May 202612:59	–	debiancve
EUVD	EUVD-2026-32484	27 May 202612:59	–	euvd
NVD	CVE-2026-46101	27 May 202614:17	–	nvd
OSV	BELL-CVE-2026-46101	28 May 202606:10	–	osv
OSV	DEBIAN-CVE-2026-46101	27 May 202614:17	–	osv
OSV	ECHO-D76D-8B79-4473	28 May 202604:57	–	osv
OSV	ROOT-OS-UBUNTU-2404-CVE-2026-46101 CVE-2026-46101 in rootio-linux - Patched by Root	3 Jun 202607:40	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nft_bitwise.c"
    ],
    "versions": [
      {
        "version": "567d746b55bc66d3800c9ae91d50f0c5deb2fd93",
        "lessThan": "9baa08d6b6b096fad70049533f0d705d85fdc979",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "567d746b55bc66d3800c9ae91d50f0c5deb2fd93",
        "lessThan": "4fccea585631621c975883911a08d15b6671f7dc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "567d746b55bc66d3800c9ae91d50f0c5deb2fd93",
        "lessThan": "9ad26c272405f53834871cc2e46b9b5393a666c3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "567d746b55bc66d3800c9ae91d50f0c5deb2fd93",
        "lessThan": "bffef0acec9c3b837a785248a893137fb7f26c95",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "567d746b55bc66d3800c9ae91d50f0c5deb2fd93",
        "lessThan": "ca24f1243ad1a4d12d6a23876bbbe3ed02099853",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "567d746b55bc66d3800c9ae91d50f0c5deb2fd93",
        "lessThan": "6f820139d16a4c9865a145d4a9cf9c92cc632c14",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "567d746b55bc66d3800c9ae91d50f0c5deb2fd93",
        "lessThan": "f370205974f171a5868c13ff30d7642fed46e47b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "567d746b55bc66d3800c9ae91d50f0c5deb2fd93",
        "lessThan": "fe11e5c40817b84abaa5d83bfb6586d8412bfd07",
        "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/nft_bitwise.c"
    ],
    "versions": [
      {
        "version": "5.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.6",
        "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": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.86",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/9baa08d6b6b096fad70049533f0d705d85fdc979
git	www.git.kernel.org/stable/c/ca24f1243ad1a4d12d6a23876bbbe3ed02099853
git	www.git.kernel.org/stable/c/6f820139d16a4c9865a145d4a9cf9c92cc632c14
git	www.git.kernel.org/stable/c/bffef0acec9c3b837a785248a893137fb7f26c95
git	www.git.kernel.org/stable/c/4fccea585631621c975883911a08d15b6671f7dc
git	www.git.kernel.org/stable/c/9ad26c272405f53834871cc2e46b9b5393a666c3
git	www.git.kernel.org/stable/c/f370205974f171a5868c13ff30d7642fed46e47b
git	www.git.kernel.org/stable/c/fe11e5c40817b84abaa5d83bfb6586d8412bfd07

01 Jun 2026 16:18Current

EPSS0.00032