{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53097", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.384Z", "datePublished": "2026-06-24T16:30:35.223Z", "dateUpdated": "2026-06-24T16:30:35.223Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-24T16:30:35.223Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: fix use-after-free bugs in mt7996_mac_dump_work()\n\nWhen the mt7996 pci chip is detaching, the mt7996_crash_data is\nreleased in mt7996_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\nmt7996_mac_dump_work().\n\nThe race condition can occur as follows:\n\nCPU 0 (removal path) | CPU 1 (workqueue)\nmt7996_pci_remove() | mt7996_sys_recovery_set()\n mt7996_unregister_device() | mt7996_reset()\n mt7996_coredump_unregister() | queue_work()\n vfree(dev->coredump.crash_data) | mt7996_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\nmt7996_unregister_device() to synchronize with any pending\nor executing dump work."}], "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/mt7996/init.c"], "versions": [{"version": "878161d5d4a469a6ef7f3fb4fe9f676bc508ee99", "lessThan": "180182a3f23ff79430a32ca2c4c1885368ceab48", "status": "affected", "versionType": "git"}, {"version": "878161d5d4a469a6ef7f3fb4fe9f676bc508ee99", "lessThan": "aa4a31cd89f4fde5043ac613fe0e27014a60a60b", "status": "affected", "versionType": "git"}, {"version": "878161d5d4a469a6ef7f3fb4fe9f676bc508ee99", "lessThan": "188e10f9ea3109d23c6b7643aa6ec2f5cb0faa6d", "status": "affected", "versionType": "git"}, {"version": "878161d5d4a469a6ef7f3fb4fe9f676bc508ee99", "lessThan": "c8f62f73bbced3a79894655bdb0b625462d956fc", "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/mediatek/mt76/mt7996/init.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "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": "6.4", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/180182a3f23ff79430a32ca2c4c1885368ceab48"}, {"url": "https://git.kernel.org/stable/c/aa4a31cd89f4fde5043ac613fe0e27014a60a60b"}, {"url": "https://git.kernel.org/stable/c/188e10f9ea3109d23c6b7643aa6ec2f5cb0faa6d"}, {"url": "https://git.kernel.org/stable/c/c8f62f73bbced3a79894655bdb0b625462d956fc"}], "title": "wifi: mt76: mt7996: fix use-after-free bugs in mt7996_mac_dump_work()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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