CVE-2026-46231 batman-adv: bla: put backbone reference on failed claim hash insert

🗓️ 28 May 2026 09:40:53Reported by LinuxType

batman-adv: fix leak of backbone reference when claim hash insert fails in bla module.

Reporter	Title	Published	Views	Family All 49
ATTACKERKB	CVE-2026-46231	28 May 202609:40	–	attackerkb
CBLMariner	CVE-2026-46231 affecting package kernel for versions less than 6.6.141.1-1	22 Jun 202621:21	–	cbl_mariner
CNNVD	Linux kernel 安全漏洞	28 May 202600:00	–	cnnvd
CVE	CVE-2026-46231	28 May 202609:40	–	cve
Debian CVE	CVE-2026-46231	28 May 202609:40	–	debiancve
EUVD	EUVD-2026-32858	28 May 202609:40	–	euvd
Microsoft CVE	batman-adv: bla: put backbone reference on failed claim hash insert	29 May 202608:01	–	mscve
NVD	CVE-2026-46231	28 May 202610:16	–	nvd
OSV	BELL-CVE-2026-46231	2 Jun 202606:11	–	osv
OSV	DEBIAN-CVE-2026-46231	28 May 202610:16	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/batman-adv/bridge_loop_avoidance.c"
    ],
    "versions": [
      {
        "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
        "lessThan": "6c8b68a7ed667a63aa603ba4d3a7088be143007e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
        "lessThan": "769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
        "lessThan": "2888c9a154123db0254ae4fb9bea570c7e1f2e06",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
        "lessThan": "65419eb4259a26a3cd3f56fa0e3b3c113bf8c256",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
        "lessThan": "fd0ca034c1e71ca7613cde9dd892836b2c2831bd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
        "lessThan": "0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
        "lessThan": "7cccf4eb4f96d3c3af91a00b7a9caa652439542e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3db0decf1185357d6ab2256d0dede1ca9efda03d",
        "lessThan": "ba9d20ee9076dac32c371116bacbe72480eb356c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3fdd337ac0b277a1f40aa73b35283520f426e517",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "485eedfabc2aefac8f09f98a82ba1c1e3e202a6d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3.16.39",
        "lessThan": "3.17",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.4.217",
        "lessThan": "4.5",
        "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/batman-adv/bridge_loop_avoidance.c"
    ],
    "versions": [
      {
        "version": "4.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.7",
        "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": "6.12.90",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.32",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.9",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/7cccf4eb4f96d3c3af91a00b7a9caa652439542e
git	www.git.kernel.org/stable/c/6c8b68a7ed667a63aa603ba4d3a7088be143007e
git	www.git.kernel.org/stable/c/769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14
git	www.git.kernel.org/stable/c/2888c9a154123db0254ae4fb9bea570c7e1f2e06
git	www.git.kernel.org/stable/c/0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0
git	www.git.kernel.org/stable/c/ba9d20ee9076dac32c371116bacbe72480eb356c
git	www.git.kernel.org/stable/c/65419eb4259a26a3cd3f56fa0e3b3c113bf8c256
git	www.git.kernel.org/stable/c/fd0ca034c1e71ca7613cde9dd892836b2c2831bd

14 Jun 2026 18:04Current

EPSS0.00119