CVE-2026-53097

{"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": "2026-10-21T12:41:57.624Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:41:57.624Z"}, "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": "533b1a9fa0128c75e40dd2d2c38a32b4e660741f", "status": "affected", "versionType": "git"}, {"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": "6.6.160", "lessThanOrEqual": "6.6.*", "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": "6.6.160"}, {"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/533b1a9fa0128c75e40dd2d2c38a32b4e660741f"}, {"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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7996/init.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "533b1a9fa0128c75e40dd2d2c38a32b4e660741f", "status": "affected", "version": "878161d5d4a469a6ef7f3fb4fe9f676bc508ee99", "versionType": "git"}, {"lessThan": "180182a3f23ff79430a32ca2c4c1885368ceab48", "status": "affected", "version": "878161d5d4a469a6ef7f3fb4fe9f676bc508ee99", "versionType": "git"}, {"lessThan": "aa4a31cd89f4fde5043ac613fe0e27014a60a60b", "status": "affected", "version": "878161d5d4a469a6ef7f3fb4fe9f676bc508ee99", "versionType": "git"}, {"lessThan": "188e10f9ea3109d23c6b7643aa6ec2f5cb0faa6d", "status": "affected", "version": "878161d5d4a469a6ef7f3fb4fe9f676bc508ee99", "versionType": "git"}, {"lessThan": "c8f62f73bbced3a79894655bdb0b625462d956fc", "status": "affected", "version": "878161d5d4a469a6ef7f3fb4fe9f676bc508ee99", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7996/init.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"lessThan": "6.4", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "716A5F88-98A8-4ED3-A2E9-B443C1A5E5CD", "versionEndExcluding": "6.12.91", "versionStartIncluding": "6.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "96D99E49-380D-43AB-BDBA-25C3AD018A9C", "versionEndExcluding": "6.18.33", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A13475D2-59BF-4716-94B5-7C1D239A2CF4", "versionEndExcluding": "7.0.10", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2026-53097", "lastModified": "2026-10-21T13:19:10.097", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-06-24T17:17:23.923", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/180182a3f23ff79430a32ca2c4c1885368ceab48"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/188e10f9ea3109d23c6b7643aa6ec2f5cb0faa6d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/533b1a9fa0128c75e40dd2d2c38a32b4e660741f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/aa4a31cd89f4fde5043ac613fe0e27014a60a60b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c8f62f73bbced3a79894655bdb0b625462d956fc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: wifi: mt76: mt7996: fix use-after-free bugs in mt7996_mac_dump_work()", "id": "2492416", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492416"}, "csaw": false, "cwe": "CWE-364", "details": ["A flaw was found in the Linux kernel's mt7996 Wi-Fi driver. A use-after-free vulnerability exists in the mt7996_mac_dump_work() function due to a race condition during the detachment of the mt7996 PCI chip. This can occur when mt7996_crash_data is released while a related work item is still active, leading to the dereferencing of freed memory. This flaw could allow a local attacker to cause a denial of service or potentially execute arbitrary code."], "name": "CVE-2026-53097", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53097\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53097\nhttps://lore.kernel.org/linux-cve-announce/2026062410-CVE-2026-53097-a43d@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[878161d5d4a469a6ef7f3fb4fe9f676bc508ee99,180182a3f23ff79430a32ca2c4c1885368ceab48)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[878161d5d4a469a6ef7f3fb4fe9f676bc508ee99,aa4a31cd89f4fde5043ac613fe0e27014a60a60b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[878161d5d4a469a6ef7f3fb4fe9f676bc508ee99,188e10f9ea3109d23c6b7643aa6ec2f5cb0faa6d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[878161d5d4a469a6ef7f3fb4fe9f676bc508ee99,c8f62f73bbced3a79894655bdb0b625462d956fc)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.4"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.91,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.33,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.10,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-06-24T21:00:11.770332+00:00", "updated": "2026-08-13T14:45:03.256078+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}