{"id":"CVE-2026-53100","state":"PUBLISHED","title":"wifi: mt76: fix deadlock in remain-on-channel","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix deadlock in remain-on-channel\n\nmt76_remain_on_channel() and mt76_roc_complete() call mt76_set_channel()\nwhile already holding dev->mutex. Since mt76_set_channel() also acquires\ndev->mutex, this results in a deadlock.\n\nUse __mt76_set_channel() instead of mt76_set_channel().\nAdd cancel_delayed_work_sync() for mac_work before acquiring the mutex\nin mt76_remain_on_channel() to prevent a secondary deadlock with the\nmac_work workqueue.","publishedAt":"2026-06-24T16:30:37.216Z","updatedAt":"2026-06-24T16:30:37.216Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a8f424c1287cc79a06c21816658feea87dfcb83f","status":"affected","lessThan":"5fc8c5d45e44575dda9fcabdc2aac4ad97baf0cd","versionType":"git"},{"version":"a8f424c1287cc79a06c21816658feea87dfcb83f","status":"affected","lessThan":"7a89c245d203aa0ed5ff2d68ac05b48b2ef9fa3f","versionType":"git"},{"version":"a8f424c1287cc79a06c21816658feea87dfcb83f","status":"affected","lessThan":"6939b97ddad3cf3dfbb3b5a0a12ef79cb886747e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/channel.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","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/mediatek/mt76/channel.c"]}],"references":["https://git.kernel.org/stable/c/5fc8c5d45e44575dda9fcabdc2aac4ad97baf0cd","https://git.kernel.org/stable/c/7a89c245d203aa0ed5ff2d68ac05b48b2ef9fa3f","https://git.kernel.org/stable/c/6939b97ddad3cf3dfbb3b5a0a12ef79cb886747e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53100.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53100","state":"PUBLISHED","datePublished":"2026-06-24T16:30:37.216Z","dateUpdated":"2026-06-24T16:30:37.216Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-06-09T07:44:35.384Z"},"containers":{"cna":{"title":"wifi: mt76: fix deadlock in remain-on-channel","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: fix deadlock in remain-on-channel\n\nmt76_remain_on_channel() and mt76_roc_complete() call mt76_set_channel()\nwhile already holding dev->mutex. Since mt76_set_channel() also acquires\ndev->mutex, this results in a deadlock.\n\nUse __mt76_set_channel() instead of mt76_set_channel().\nAdd cancel_delayed_work_sync() for mac_work before acquiring the mutex\nin mt76_remain_on_channel() to prevent a secondary deadlock with the\nmac_work workqueue."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a8f424c1287cc79a06c21816658feea87dfcb83f","status":"affected","lessThan":"5fc8c5d45e44575dda9fcabdc2aac4ad97baf0cd","versionType":"git"},{"version":"a8f424c1287cc79a06c21816658feea87dfcb83f","status":"affected","lessThan":"7a89c245d203aa0ed5ff2d68ac05b48b2ef9fa3f","versionType":"git"},{"version":"a8f424c1287cc79a06c21816658feea87dfcb83f","status":"affected","lessThan":"6939b97ddad3cf3dfbb3b5a0a12ef79cb886747e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/channel.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","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/mediatek/mt76/channel.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5fc8c5d45e44575dda9fcabdc2aac4ad97baf0cd"},{"url":"https://git.kernel.org/stable/c/7a89c245d203aa0ed5ff2d68ac05b48b2ef9fa3f"},{"url":"https://git.kernel.org/stable/c/6939b97ddad3cf3dfbb3b5a0a12ef79cb886747e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-24T16:30:37.216Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}