{"api_version":"1","generated_at":"2026-07-14T09:08:32+00:00","cve":"CVE-2026-53098","urls":{"html":"https://cve.report/CVE-2026-53098","api":"https://cve.report/api/cve/CVE-2026-53098.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53098","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53098"},"summary":{"title":"wifi: mt76: mt7915: fix use-after-free bugs in mt7915_mac_dump_work()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: fix use-after-free bugs in mt7915_mac_dump_work()\n\nWhen the mt7915 pci chip is detaching, the mt7915_crash_data is\nreleased in mt7915_coredump_unregister(). However, the work item\ndump_work may still be running or pending, leading to UAF bugs\nwhen the already freed crash_data is dereferenced again in\nmt7915_mac_dump_work().\n\nThe race condition can occur as follows:\n\nCPU 0 (removal path)               | CPU 1 (workqueue)\nmt7915_pci_remove()                | mt7915_sys_recovery_set()\n mt7915_unregister_device()        |  mt7915_reset()\n  mt7915_coredump_unregister()     |   queue_work()\n   vfree(dev->coredump.crash_data) | mt7915_mac_dump_work()\n                                   |  crash_data-> // UAF\n\nFix this by ensuring dump_work is properly canceled before\nthe crash_data is deallocated. Add cancel_work_sync() in\nmt7915_unregister_device() to synchronize with any pending\nor executing dump work.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:24","updated_at":"2026-06-24 17:17:24"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/21ce6d867867645fff0ef657be18f61d9f39dcd8","name":"https://git.kernel.org/stable/c/21ce6d867867645fff0ef657be18f61d9f39dcd8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e6856af8a22a8e2cd18241a465ed00c2301b3a5e","name":"https://git.kernel.org/stable/c/e6856af8a22a8e2cd18241a465ed00c2301b3a5e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6b7cbb13c838cf2a5f2e7be0e96fe15250087939","name":"https://git.kernel.org/stable/c/6b7cbb13c838cf2a5f2e7be0e96fe15250087939","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1146d0946b5358fad24812bd39d68f31cd40cc34","name":"https://git.kernel.org/stable/c/1146d0946b5358fad24812bd39d68f31cd40cc34","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6d5202409467d621b6d1dfd7fc7dadb997fe66d2","name":"https://git.kernel.org/stable/c/6d5202409467d621b6d1dfd7fc7dadb997fe66d2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53098","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53098","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4dbcb9125cc3e10a6d879c10e4f5816d05a87c49 6d5202409467d621b6d1dfd7fc7dadb997fe66d2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4dbcb9125cc3e10a6d879c10e4f5816d05a87c49 e6856af8a22a8e2cd18241a465ed00c2301b3a5e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4dbcb9125cc3e10a6d879c10e4f5816d05a87c49 6b7cbb13c838cf2a5f2e7be0e96fe15250087939 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4dbcb9125cc3e10a6d879c10e4f5816d05a87c49 21ce6d867867645fff0ef657be18f61d9f39dcd8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4dbcb9125cc3e10a6d879c10e4f5816d05a87c49 1146d0946b5358fad24812bd39d68f31cd40cc34 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.141 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.91 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53098","cve":"CVE-2026-53098","epss":"0.001680000","percentile":"0.063830000","score_date":"2026-06-29","updated_at":"2026-06-30 00:06:55"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/mediatek/mt76/mt7915/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6d5202409467d621b6d1dfd7fc7dadb997fe66d2","status":"affected","version":"4dbcb9125cc3e10a6d879c10e4f5816d05a87c49","versionType":"git"},{"lessThan":"e6856af8a22a8e2cd18241a465ed00c2301b3a5e","status":"affected","version":"4dbcb9125cc3e10a6d879c10e4f5816d05a87c49","versionType":"git"},{"lessThan":"6b7cbb13c838cf2a5f2e7be0e96fe15250087939","status":"affected","version":"4dbcb9125cc3e10a6d879c10e4f5816d05a87c49","versionType":"git"},{"lessThan":"21ce6d867867645fff0ef657be18f61d9f39dcd8","status":"affected","version":"4dbcb9125cc3e10a6d879c10e4f5816d05a87c49","versionType":"git"},{"lessThan":"1146d0946b5358fad24812bd39d68f31cd40cc34","status":"affected","version":"4dbcb9125cc3e10a6d879c10e4f5816d05a87c49","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/mediatek/mt76/mt7915/init.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.2"},{"lessThan":"6.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: fix use-after-free bugs in mt7915_mac_dump_work()\n\nWhen the mt7915 pci chip is detaching, the mt7915_crash_data is\nreleased in mt7915_coredump_unregister(). However, the work item\ndump_work may still be running or pending, leading to UAF bugs\nwhen the already freed crash_data is dereferenced again in\nmt7915_mac_dump_work().\n\nThe race condition can occur as follows:\n\nCPU 0 (removal path)               | CPU 1 (workqueue)\nmt7915_pci_remove()                | mt7915_sys_recovery_set()\n mt7915_unregister_device()        |  mt7915_reset()\n  mt7915_coredump_unregister()     |   queue_work()\n   vfree(dev->coredump.crash_data) | mt7915_mac_dump_work()\n                                   |  crash_data-> // UAF\n\nFix this by ensuring dump_work is properly canceled before\nthe crash_data is deallocated. Add cancel_work_sync() in\nmt7915_unregister_device() to synchronize with any pending\nor executing dump work."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:30:35.887Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/6d5202409467d621b6d1dfd7fc7dadb997fe66d2"},{"url":"https://git.kernel.org/stable/c/e6856af8a22a8e2cd18241a465ed00c2301b3a5e"},{"url":"https://git.kernel.org/stable/c/6b7cbb13c838cf2a5f2e7be0e96fe15250087939"},{"url":"https://git.kernel.org/stable/c/21ce6d867867645fff0ef657be18f61d9f39dcd8"},{"url":"https://git.kernel.org/stable/c/1146d0946b5358fad24812bd39d68f31cd40cc34"}],"title":"wifi: mt76: mt7915: fix use-after-free bugs in mt7915_mac_dump_work()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53098","datePublished":"2026-06-24T16:30:35.887Z","dateReserved":"2026-06-09T07:44:35.384Z","dateUpdated":"2026-06-24T16:30:35.887Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:24","lastModifiedDate":"2026-06-24 17:17:24","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53098","Ordinal":"1","Title":"wifi: mt76: mt7915: fix use-after-free bugs in mt7915_mac_dump_w","CVE":"CVE-2026-53098","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53098","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: fix use-after-free bugs in mt7915_mac_dump_work()\n\nWhen the mt7915 pci chip is detaching, the mt7915_crash_data is\nreleased in mt7915_coredump_unregister(). However, the work item\ndump_work may still be running or pending, leading to UAF bugs\nwhen the already freed crash_data is dereferenced again in\nmt7915_mac_dump_work().\n\nThe race condition can occur as follows:\n\nCPU 0 (removal path)               | CPU 1 (workqueue)\nmt7915_pci_remove()                | mt7915_sys_recovery_set()\n mt7915_unregister_device()        |  mt7915_reset()\n  mt7915_coredump_unregister()     |   queue_work()\n   vfree(dev->coredump.crash_data) | mt7915_mac_dump_work()\n                                   |  crash_data-> // UAF\n\nFix this by ensuring dump_work is properly canceled before\nthe crash_data is deallocated. Add cancel_work_sync() in\nmt7915_unregister_device() to synchronize with any pending\nor executing dump work.","Type":"Description","Title":"wifi: mt76: mt7915: fix use-after-free bugs in mt7915_mac_dump_w"}]}}}