{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-20567", "assignerOrgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "assignerShortName": "google_android", "dateUpdated": "2025-04-21T13:03:10.112Z", "dateReserved": "2021-10-14T00:00:00.000Z", "datePublished": "2022-12-16T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "shortName": "google_android", "dateUpdated": "2022-12-16T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186777253References: Upstream kernel"}], "affected": [{"vendor": "n/a", "product": "Android", "versions": [{"version": "Android kernel", "status": "affected"}]}], "references": [{"url": "https://source.android.com/security/bulletin/pixel/2022-12-01"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Elevation of privilege"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T02:17:52.887Z"}, "title": "CVE Program Container", "references": [{"url": "https://source.android.com/security/bulletin/pixel/2022-12-01", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-362", "lang": "en", "description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-21T13:02:44.115609Z", "id": "CVE-2022-20567", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-21T13:03:10.112Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-20567", "assignerOrgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "assignerShortName": "google_android", "dateUpdated": "2025-04-21T13:03:10.112Z", "dateReserved": "2021-10-14T00:00:00.000Z", "datePublished": "2022-12-16T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "baff130e-b8d5-4e15-b3d3-c3cf5d5545c6", "shortName": "google_android", "dateUpdated": "2022-12-16T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186777253References: Upstream kernel"}], "affected": [{"vendor": "n/a", "product": "Android", "versions": [{"version": "Android kernel", "status": "affected"}]}], "references": [{"url": "https://source.android.com/security/bulletin/pixel/2022-12-01"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Elevation of privilege"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T02:17:52.887Z"}, "title": "CVE Program Container", "references": [{"url": "https://source.android.com/security/bulletin/pixel/2022-12-01", "tags": ["x_transferred"]}]}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-20567", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-04-21T13:02:44.115609Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-362", "description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-21T13:03:05.881Z"}}]}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186777253References: Upstream kernel"}, {"lang": "es", "value": "En pppol2tp_create de l2tp_ppp.c, existe un posible use-after-free debido a una condici\u00f3n de ejecuci\u00f3n. Esto podr\u00eda conducir a una escalada local de privilegios con permisos de ejecuci\u00f3n de System necesarios. No se necesita la interacci\u00f3n del usuario para la explotaci\u00f3n. Producto: Android Versiones: kernel de Android ID de Android: A-186777253 Referencias: kernel ascendente"}], "id": "CVE-2022-20567", "lastModified": "2025-04-21T14:15:26.843", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2022-12-16T16:15:19.477", "references": [{"source": "security@android.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://source.android.com/security/bulletin/pixel/2022-12-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://source.android.com/security/bulletin/pixel/2022-12-01"}], "sourceIdentifier": "security@android.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-362"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: race in pppol2tp_release", "id": "2174464", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2174464"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-362", "details": ["In pppol2tp_create of l2tp_ppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-186777253References: Upstream kernel", "A use-after-free flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP) when user closes a socket. This could allow a local user to crash the system or potentially escalate their privileges on the system."], "name": "CVE-2022-20567", "package_state": [{"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"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Not affected", "package_name": "redhat-virtualization-host", "product_name": "Red Hat Virtualization 4"}], "public_date": "2018-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-20567\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-20567\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d02ba2a6110c530a32926af8ad441111774d2893"], "threat_severity": "Moderate"}