{"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":{"cna":{"providerMetadata":{"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"],"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"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.10.259"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"5.15.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.1.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.12.88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"6.18.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"7.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndExcluding":"7.1"}]}]}],"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"},{"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","x_generator":{"engine":"bippy-1.2.0"}}}}