CVE-2026-46180

🗓️ 28 May 2026 09:36:33Reported by LinuxType

Fix potential use-after-free in wifi brcmfmac when stopping watchdog task by adjusting watchdog task reference counts.

Reporter	Title	Published	Views	Family All 29
ATTACKERKB	CVE-2026-46180	28 May 202609:36	–	attackerkb
CBLMariner	CVE-2026-46180 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
Cvelist	CVE-2026-46180 wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task	28 May 202609:36	–	cvelist
Debian CVE	CVE-2026-46180	28 May 202609:36	–	debiancve
EUVD	EUVD-2026-32807	28 May 202609:36	–	euvd
Microsoft CVE	wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task	29 May 202608:04	–	mscve
NVD	CVE-2026-46180	28 May 202610:16	–	nvd
OSV	BELL-CVE-2026-46180	29 May 202606:09	–	osv
OSV	DEBIAN-CVE-2026-46180	28 May 202610:16	–	osv

NVD

Vulners

CNA

Node

linux linux_kernelRange3.3–6.6.140

linux linux_kernelRange6.7–6.12.88

linux linux_kernelRange6.13–6.18.30

linux linux_kernelRange6.19–7.0.7

linux linux_kernelMatch7.1rc1

linux linux_kernelMatch7.1rc2

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c"
    ],
    "versions": [
      {
        "version": "a9ffda88be7416b8336f644806c2b3ed3ce08b26",
        "lessThan": "a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a9ffda88be7416b8336f644806c2b3ed3ce08b26",
        "lessThan": "df2e90d6a9955510f24f1dada78cfc439fd9fa88",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a9ffda88be7416b8336f644806c2b3ed3ce08b26",
        "lessThan": "d616bb10de79e5c2bd8a24230a1128aeaf715615",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a9ffda88be7416b8336f644806c2b3ed3ce08b26",
        "lessThan": "ed4168d1a50fef5be8eca947fbbf05a28507d265",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a9ffda88be7416b8336f644806c2b3ed3ce08b26",
        "lessThan": "d16827cb1d3936f7627d0da6044483f743ebde03",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a9ffda88be7416b8336f644806c2b3ed3ce08b26",
        "lessThan": "658d2e46c2e9a8eb9b80c5e803ce3c89885b3366",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a9ffda88be7416b8336f644806c2b3ed3ce08b26",
        "lessThan": "908b92231e1ded53e43fcfad5e0704d83e1b803c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a9ffda88be7416b8336f644806c2b3ed3ce08b26",
        "lessThan": "c623b63580880cc742255eaed3d79804c1b91143",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c"
    ],
    "versions": [
      {
        "version": "3.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.3",
        "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": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.88",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.30",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.7",
        "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/658d2e46c2e9a8eb9b80c5e803ce3c89885b3366
git	www.git.kernel.org/stable/c/df2e90d6a9955510f24f1dada78cfc439fd9fa88
git	www.git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03
git	www.git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b803c
git	www.git.kernel.org/stable/c/a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a
git	www.git.kernel.org/stable/c/d616bb10de79e5c2bd8a24230a1128aeaf715615
git	www.git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d265
git	www.git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91143

19 Jun 2026 13:16Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.17.8

EPSS0.00135

CWE-416