{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46180",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.103Z",
        "datePublished": "2026-05-28T09:36:33.904Z",
        "dateUpdated": "2026-06-19T11:59:49.089Z"
    },
    "containers": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-19T11:59:49.089Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task\n\nWatchdog task might end between send_sig() and kthread_stop() calls, what\nresults in the use-after-free issue. Fix this by increasing watchdog task\nreference count before calling send_sig() and dropping it by switching to\nkthread_stop_put()."
                }
            ],
            "affected": [
                {
                    "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"
                    ],
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                            "version": "a9ffda88be7416b8336f644806c2b3ed3ce08b26",
                            "lessThan": "a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "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"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.3",
                                    "versionEndExcluding": "5.10.259"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "7.1"
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/df2e90d6a9955510f24f1dada78cfc439fd9fa88"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d616bb10de79e5c2bd8a24230a1128aeaf715615"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d265"
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                {
                    "url": "https://git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03"
                },
                {
                    "url": "https://git.kernel.org/stable/c/658d2e46c2e9a8eb9b80c5e803ce3c89885b3366"
                },
                {
                    "url": "https://git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b803c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91143"
                }
            ],
            "title": "wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task",
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}