{"id":"CVE-2026-46069","state":"PUBLISHED","title":"wifi: mwifiex: fix use-after-free in mwifiex_adapter_cleanup()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: fix use-after-free in mwifiex_adapter_cleanup()\n\nThe mwifiex_adapter_cleanup() function uses timer_delete()\n(non-synchronous) for the wakeup_timer before the adapter structure is\nfreed. This is incorrect because timer_delete() does not wait for any\nrunning timer callback to complete.\n\nIf the wakeup_timer callback (wakeup_timer_fn) is executing when\nmwifiex_adapter_cleanup() is called, the callback will continue to\naccess adapter fields (adapter->hw_status, adapter->if_ops.card_reset,\netc.) which may be freed by mwifiex_free_adapter() called later in the\nmwifiex_remove_card() path.\n\nUse timer_delete_sync() instead to ensure any running timer callback has\ncompleted before returning.","publishedAt":"2026-05-27T12:57:50.213Z","updatedAt":"2026-10-15T01:20:20.801Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"c3508895450cca4aeaf5dbadbb5e582363005264","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"1958a92599b2653d730ccb6f5685fc3fbed21812","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"a88f5391dc68f78cae5eb6a8cd341cafee795d3d","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"11869ce402d95519d49b25a2a97741f68d69d103","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"63fe3389b3e092d6c0eeea9fc0318e7918b16618","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"4e179a60a60c0a5aea245e8e67768343c0f070b8","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"030abbae49cf9fd1fba7aa08e15ec81efbeb78cf","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"ae5e95d4157481693be2317e3ffcd84e36010cbb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/init.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.0","versionType":"semver"},{"version":"5.10.259","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.210","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.176","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.86","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.27","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.4","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/init.c"]}],"references":["https://git.kernel.org/stable/c/c3508895450cca4aeaf5dbadbb5e582363005264","https://git.kernel.org/stable/c/1958a92599b2653d730ccb6f5685fc3fbed21812","https://git.kernel.org/stable/c/a88f5391dc68f78cae5eb6a8cd341cafee795d3d","https://git.kernel.org/stable/c/11869ce402d95519d49b25a2a97741f68d69d103","https://git.kernel.org/stable/c/63fe3389b3e092d6c0eeea9fc0318e7918b16618","https://git.kernel.org/stable/c/4e179a60a60c0a5aea245e8e67768343c0f070b8","https://git.kernel.org/stable/c/030abbae49cf9fd1fba7aa08e15ec81efbeb78cf","https://git.kernel.org/stable/c/ae5e95d4157481693be2317e3ffcd84e36010cbb","https://cert-portal.siemens.com/productcert/html/ssa-784472.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46069.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46069","state":"PUBLISHED","datePublished":"2026-05-27T12:57:50.213Z","dateUpdated":"2026-10-15T01:20:20.801Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.095Z"},"containers":{"cna":{"title":"wifi: mwifiex: fix use-after-free in mwifiex_adapter_cleanup()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: fix use-after-free in mwifiex_adapter_cleanup()\n\nThe mwifiex_adapter_cleanup() function uses timer_delete()\n(non-synchronous) for the wakeup_timer before the adapter structure is\nfreed. This is incorrect because timer_delete() does not wait for any\nrunning timer callback to complete.\n\nIf the wakeup_timer callback (wakeup_timer_fn) is executing when\nmwifiex_adapter_cleanup() is called, the callback will continue to\naccess adapter fields (adapter->hw_status, adapter->if_ops.card_reset,\netc.) which may be freed by mwifiex_free_adapter() called later in the\nmwifiex_remove_card() path.\n\nUse timer_delete_sync() instead to ensure any running timer callback has\ncompleted before returning."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"c3508895450cca4aeaf5dbadbb5e582363005264","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"1958a92599b2653d730ccb6f5685fc3fbed21812","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"a88f5391dc68f78cae5eb6a8cd341cafee795d3d","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"11869ce402d95519d49b25a2a97741f68d69d103","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"63fe3389b3e092d6c0eeea9fc0318e7918b16618","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"4e179a60a60c0a5aea245e8e67768343c0f070b8","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"030abbae49cf9fd1fba7aa08e15ec81efbeb78cf","versionType":"git"},{"version":"4636187da60b6e33526050235c610409d9cc00e8","status":"affected","lessThan":"ae5e95d4157481693be2317e3ffcd84e36010cbb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/init.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.0","versionType":"semver"},{"version":"5.10.259","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.210","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.176","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.86","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.27","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.4","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/init.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c3508895450cca4aeaf5dbadbb5e582363005264"},{"url":"https://git.kernel.org/stable/c/1958a92599b2653d730ccb6f5685fc3fbed21812"},{"url":"https://git.kernel.org/stable/c/a88f5391dc68f78cae5eb6a8cd341cafee795d3d"},{"url":"https://git.kernel.org/stable/c/11869ce402d95519d49b25a2a97741f68d69d103"},{"url":"https://git.kernel.org/stable/c/63fe3389b3e092d6c0eeea9fc0318e7918b16618"},{"url":"https://git.kernel.org/stable/c/4e179a60a60c0a5aea245e8e67768343c0f070b8"},{"url":"https://git.kernel.org/stable/c/030abbae49cf9fd1fba7aa08e15ec81efbeb78cf"},{"url":"https://git.kernel.org/stable/c/ae5e95d4157481693be2317e3ffcd84e36010cbb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-19T11:59:16.626Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"5.10.259"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"5.15.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.1.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.12.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"affected":[{"vendor":"Siemens","product":"SIMATIC 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