CVE-2022-49129

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this is a standard driver UAF without a VM, IOMMU, or other security-boundary escape.\nC:H - Use-after-free of driver/device state can be leveraged for arbitrary kernel memory disclosure via reclaim and controlled reuse of the freed object.\nI:H - The same UAF enables heap reuse and control-flow hijacking primitives, so integrity impact includes arbitrary kernel write / code execution potential.\nA:H - The bug causes a kernel oops/crash when reset_work runs against already-cleaned-up state, fully disrupting system availability."}]}], "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/mt7921/main.c"], "versions": [{"version": "0c1ce988460765ece1ba8eacd00533eefb6e666a", "lessThan": "38fbe806645090c07aa97171f20fc62c3d7d3a98", "status": "affected", "versionType": "git"}, {"version": "0c1ce988460765ece1ba8eacd00533eefb6e666a", "lessThan": "c1a5e6002ec441a3b9fb4d048b4b49ae93409a46", "status": "affected", "versionType": "git"}, {"version": "0c1ce988460765ece1ba8eacd00533eefb6e666a", "lessThan": "ac1260b661c2ef0d0a56680cdb5672b931b7be8f", "status": "affected", "versionType": "git"}, {"version": "0c1ce988460765ece1ba8eacd00533eefb6e666a", "lessThan": "827e7799c61b978fbc2cc9dac66cb62401b2b3f0", "status": "affected", "versionType": "git"}, {"version": "bea85ed1f508023e1586ede6a622f35fe910857b", "status": "affected", "versionType": "git"}, {"version": "5.12.16", "lessThan": "5.13", "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/mt7921/main.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.34", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16.20", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.3", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18", "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": "5.13", "versionEndExcluding": "5.15.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.16.20"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.17.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/38fbe806645090c07aa97171f20fc62c3d7d3a98"}, {"url": "https://git.kernel.org/stable/c/c1a5e6002ec441a3b9fb4d048b4b49ae93409a46"}, {"url": "https://git.kernel.org/stable/c/ac1260b661c2ef0d0a56680cdb5672b931b7be8f"}, {"url": "https://git.kernel.org/stable/c/827e7799c61b978fbc2cc9dac66cb62401b2b3f0"}], "title": "mt76: mt7921: fix crash when startup fails.", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-49129", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-02-27T18:17:14.426944Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-27T18:22:34.818Z"}}]}}

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Ensure the\nwork item is canceled so we do not have use-after-free\ncrash in case cleanup is called before the work item\nis executed.\n\nThis fixes crash on my x86_64 apu2 when mt7921k radio\nfails to work. Radio still fails, but OS does not\ncrash."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mt76: mt7921: se corrige el bloqueo cuando falla el inicio. Si la NIC no se inicia, es posible que ya se haya programado el reset_work. Aseg\u00farese de que el elemento de trabajo se cancele para que no tengamos un bloqueo de use-after-free en caso de que se llame a la limpieza antes de que se ejecute el elemento de trabajo. Esto corrige el bloqueo en mi apu2 x86_64 cuando la radio mt7921k no funciona. La radio sigue fallando, pero el SO no se bloquea."}], "id": "CVE-2022-49129", "lastModified": "2026-08-13T00:17:28.670", "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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-49129", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-02-27T18:17:14.426944Z", "version": "2.0.3"}}]}, "published": "2025-02-26T07:00:50.203", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/38fbe806645090c07aa97171f20fc62c3d7d3a98"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/827e7799c61b978fbc2cc9dac66cb62401b2b3f0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ac1260b661c2ef0d0a56680cdb5672b931b7be8f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c1a5e6002ec441a3b9fb4d048b4b49ae93409a46"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2022:7683", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-425.3.1.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-11-08T00:00:00Z"}, {"advisory": "RHSA-2022:8267", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-162.6.1.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}, {"advisory": "RHSA-2022:8267", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-162.6.1.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}], "bugzilla": {"description": "kernel: mt76: mt7921: fix crash when startup fails.", "id": "2347839", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347839"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmt76: mt7921: fix crash when startup fails.\nIf the nic fails to start, it is possible that the\nreset_work has already been scheduled. Ensure the\nwork item is canceled so we do not have use-after-free\ncrash in case cleanup is called before the work item\nis executed.\nThis fixes crash on my x86_64 apu2 when mt7921k radio\nfails to work. Radio still fails, but OS does not\ncrash."], "name": "CVE-2022-49129", "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": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49129\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49129\nhttps://lore.kernel.org/linux-cve-announce/2025022605-CVE-2022-49129-a098@gregkh/T"], "threat_severity": "Moderate"}

{}