CVE-2026-64094

🗓️ 19 Jul 2026 15:40:01Reported by LinuxType

Fixed a NULL pointer dereference in batman-adv claim via a dropped interface; ensure mesh interface is non-NULL before ARP.

Reporter	Title	Published	Views	Family All 8
ATTACKERKB	CVE-2026-64094	19 Jul 202615:40	–	attackerkb
Cvelist	CVE-2026-64094 batman-adv: bla: avoid NULL-ptr deref for claim via dropped interface	19 Jul 202615:40	–	cvelist
EUVD	EUVD-2026-45779	19 Jul 202615:40	–	euvd
NVD	CVE-2026-64094	19 Jul 202616:17	–	nvd
OSV	CVE-2026-64094 batman-adv: bla: avoid NULL-ptr deref for claim via dropped interface	19 Jul 202615:40	–	osv
OSV	DEBIAN-CVE-2026-64094	19 Jul 202616:17	–	osv
OSV	UBUNTU-CVE-2026-64094	20 Jul 202600:00	–	osv
Positive Technologies	PT-2026-61411	19 Jul 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange3.5–5.10.259

linux linux_kernelRange5.11.0–5.15.210

linux linux_kernelRange5.16.0–6.1.176

linux linux_kernelRange6.2.0–6.6.143

linux linux_kernelRange6.7.0–6.12.93

linux linux_kernelRange6.13.0–6.18.34

linux linux_kernelRange6.19.0–7.0.11

linux linux_kernelRange7.1.0≥

[
  {
    "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": "23721387c409087fd3b97e274f34d3ddc0970b74",
        "lessThan": "4f6266735a0ba6a568b6d4c9fa51c33a5a7f2d70",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "23721387c409087fd3b97e274f34d3ddc0970b74",
        "lessThan": "53cb3511f6eda37d3bd923545fdba6013b6d7bb7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "23721387c409087fd3b97e274f34d3ddc0970b74",
        "lessThan": "efb62458c94db1fe3a287e7e89c31b0cfb03f938",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "23721387c409087fd3b97e274f34d3ddc0970b74",
        "lessThan": "2a8c9e86529156c62d9187b9ed9454c31665ad33",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "23721387c409087fd3b97e274f34d3ddc0970b74",
        "lessThan": "0f3ebd7bb417aabc44853cc7c2a184ebb0e05b45",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "23721387c409087fd3b97e274f34d3ddc0970b74",
        "lessThan": "6921a7683ae9ad0208d829e71f725a9e25ccff49",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "23721387c409087fd3b97e274f34d3ddc0970b74",
        "lessThan": "555b8d3f5c313d81d46274fd0976352dafc80124",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "23721387c409087fd3b97e274f34d3ddc0970b74",
        "lessThan": "f80d3d98d2ff78d9e2fe5d68b1f45948c4f7bd24",
        "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/batman-adv/bridge_loop_avoidance.c"
    ],
    "versions": [
      {
        "version": "3.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/f80d3d98d2ff78d9e2fe5d68b1f45948c4f7bd24
git	www.git.kernel.org/stable/c/53cb3511f6eda37d3bd923545fdba6013b6d7bb7
git	www.git.kernel.org/stable/c/0f3ebd7bb417aabc44853cc7c2a184ebb0e05b45
git	www.git.kernel.org/stable/c/4f6266735a0ba6a568b6d4c9fa51c33a5a7f2d70
git	www.git.kernel.org/stable/c/efb62458c94db1fe3a287e7e89c31b0cfb03f938
git	www.git.kernel.org/stable/c/2a8c9e86529156c62d9187b9ed9454c31665ad33
git	www.git.kernel.org/stable/c/555b8d3f5c313d81d46274fd0976352dafc80124
git	www.git.kernel.org/stable/c/6921a7683ae9ad0208d829e71f725a9e25ccff49

19 Jul 2026 16:17Current

5.3Medium risk

Vulners AI Score5.3

EPSS0.0021