{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80936", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.802Z", "datePublished": "2026-09-11T19:42:10.034Z", "dateUpdated": "2026-09-11T19:42:10.034Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:42:10.034Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: cancel mlo_pm_work on stop\n\nmt7925 queues mlo_pm_work with a 5 second delay during multi-link\npower-save setup and never cancels it on the stop path. If the device is\ntorn down inside that window, the work outlives the teardown and its timer\nfires afterwards, trying to queue onto the workqueue that is already gone:\n\n workqueue: cannot queue mt7925_mlo_pm_work [mt7925_common] on wq phy0\n WARNING: kernel/workqueue.c:2283 at __queue_work+0x59/0xa0, CPU#1: swapper/1/0\n call_timer_fn+0x2a/0x140\n __run_timers+0x203/0x330\n run_timer_softirq+0x86/0xf0\n\nmt7921 already has its own stop callback, so add one for mt7925 that\ncancels the work before calling mt792x_stop(). mt7925_ops backs both the\nPCIe and USB drivers, so this covers both."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7925/main.c"], "versions": [{"version": "276a568832577c81ec90b62dc506bbdc3781ca46", "lessThan": "304470333b7f525b23699ea7a7aed3b40ca37ca9", "status": "affected", "versionType": "git"}, {"version": "276a568832577c81ec90b62dc506bbdc3781ca46", "lessThan": "9e20da749ad229a1aa649ece528721b9652f15e1", "status": "affected", "versionType": "git"}, {"version": "276a568832577c81ec90b62dc506bbdc3781ca46", "lessThan": "81faf578320df2dfc682a96baa6e85851dd68b6f", "status": "affected", "versionType": "git"}, {"version": "74eb79258bfd5f2ffe6d26a09c898992b2afa1ce", "status": "affected", "versionType": "git"}, {"version": "6.14.3", "lessThan": "6.15", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7925/main.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "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": "6.15", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.3-rc1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/304470333b7f525b23699ea7a7aed3b40ca37ca9"}, {"url": "https://git.kernel.org/stable/c/9e20da749ad229a1aa649ece528721b9652f15e1"}, {"url": "https://git.kernel.org/stable/c/81faf578320df2dfc682a96baa6e85851dd68b6f"}], "title": "wifi: mt76: mt7925: cancel mlo_pm_work on stop", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7925/main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "304470333b7f525b23699ea7a7aed3b40ca37ca9", "status": "affected", "version": "276a568832577c81ec90b62dc506bbdc3781ca46", "versionType": "git"}, {"lessThan": "9e20da749ad229a1aa649ece528721b9652f15e1", "status": "affected", "version": "276a568832577c81ec90b62dc506bbdc3781ca46", "versionType": "git"}, {"lessThan": "81faf578320df2dfc682a96baa6e85851dd68b6f", "status": "affected", "version": "276a568832577c81ec90b62dc506bbdc3781ca46", "versionType": "git"}, {"status": "affected", "version": "74eb79258bfd5f2ffe6d26a09c898992b2afa1ce", "versionType": "git"}, {"lessThan": "6.15", "status": "affected", "version": "6.14.3", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7925/main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.15"}, {"lessThan": "6.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: cancel mlo_pm_work on stop\n\nmt7925 queues mlo_pm_work with a 5 second delay during multi-link\npower-save setup and never cancels it on the stop path. If the device is\ntorn down inside that window, the work outlives the teardown and its timer\nfires afterwards, trying to queue onto the workqueue that is already gone:\n\n workqueue: cannot queue mt7925_mlo_pm_work [mt7925_common] on wq phy0\n WARNING: kernel/workqueue.c:2283 at __queue_work+0x59/0xa0, CPU#1: swapper/1/0\n call_timer_fn+0x2a/0x140\n __run_timers+0x203/0x330\n run_timer_softirq+0x86/0xf0\n\nmt7921 already has its own stop callback, so add one for mt7925 that\ncancels the work before calling mt792x_stop(). mt7925_ops backs both the\nPCIe and USB drivers, so this covers both."}], "id": "CVE-2026-80936", "lastModified": "2026-09-11T20:18:57.513", "metrics": {}, "published": "2026-09-11T20:18:57.513", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/304470333b7f525b23699ea7a7aed3b40ca37ca9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/81faf578320df2dfc682a96baa6e85851dd68b6f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e20da749ad229a1aa649ece528721b9652f15e1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: mt7925 Wi-Fi driver use-after-free leading to Denial of Service", "id": "2532096", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532096"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-763", "details": ["A flaw was found in the Linux kernel's mt7925 Wi-Fi driver. During multi-link power-save setup, the `mlo_pm_work` is queued with a delay but not properly cancelled when the device is stopped. This can lead to the work item attempting to access a deallocated workqueue, resulting in a kernel warning and potentially causing a Denial of Service (DoS) due to system instability."], "name": "CVE-2026-80936", "package_state": [{"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-11T19:42:10Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80936\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80936\nhttps://git.kernel.org/stable/c/304470333b7f525b23699ea7a7aed3b40ca37ca9\nhttps://git.kernel.org/stable/c/81faf578320df2dfc682a96baa6e85851dd68b6f\nhttps://git.kernel.org/stable/c/9e20da749ad229a1aa649ece528721b9652f15e1"], "threat_severity": "Important"}

{"created": "2026-09-12T01:45:03.771779+00:00", "updated": "2026-09-12T01:45:03.771785+00:00", "vendors": []}