CVE-2023-21400

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html", "name": "http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": ""}, {"url": "http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html", "name": "http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": ""}, {"url": "http://www.openwall.com/lists/oss-security/2023/07/14/2", "name": "http://www.openwall.com/lists/oss-security/2023/07/14/2", "tags": ["Mailing List", "Third Party Advisory"], "refsource": ""}, {"url": "http://www.openwall.com/lists/oss-security/2023/07/14/2", "name": "http://www.openwall.com/lists/oss-security/2023/07/14/2", "tags": ["Mailing List", "Third Party Advisory"], "refsource": ""}, {"url": "http://www.openwall.com/lists/oss-security/2023/07/19/2", "name": "http://www.openwall.com/lists/oss-security/2023/07/19/2", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "refsource": ""}, {"url": "http://www.openwall.com/lists/oss-security/2023/07/19/2", "name": "http://www.openwall.com/lists/oss-security/2023/07/19/2", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "refsource": ""}, {"url": "http://www.openwall.com/lists/oss-security/2023/07/19/7", "name": "http://www.openwall.com/lists/oss-security/2023/07/19/7", "tags": ["Mailing List", "Third Party Advisory"], "refsource": ""}, {"url": "http://www.openwall.com/lists/oss-security/2023/07/19/7", "name": "http://www.openwall.com/lists/oss-security/2023/07/19/7", "tags": ["Mailing List", "Third Party Advisory"], "refsource": ""}, {"url": "http://www.openwall.com/lists/oss-security/2023/07/25/7", "name": "http://www.openwall.com/lists/oss-security/2023/07/25/7", "tags": ["Mailing List"], "refsource": ""}, {"url": "http://www.openwall.com/lists/oss-security/2023/07/25/7", "name": "http://www.openwall.com/lists/oss-security/2023/07/25/7", "tags": ["Mailing List"], "refsource": ""}, {"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html", "name": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html", "tags": ["Mailing List", "Third Party Advisory"], "refsource": ""}, {"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html", "name": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html", "tags": ["Mailing List", "Third Party Advisory"], "refsource": ""}, {"url": "https://security.netapp.com/advisory/ntap-20240119-0012/", "name": "https://security.netapp.com/advisory/ntap-20240119-0012/", "tags": [], "refsource": ""}, {"url": "https://security.netapp.com/advisory/ntap-20240119-0012/", "name": "https://security.netapp.com/advisory/ntap-20240119-0012/", "tags": [], "refsource": ""}, {"url": "https://source.android.com/security/bulletin/pixel/2023-07-01", "name": "https://source.android.com/security/bulletin/pixel/2023-07-01", "tags": ["Vendor Advisory"], "refsource": ""}, {"url": "https://source.android.com/security/bulletin/pixel/2023-07-01", "name": "https://source.android.com/security/bulletin/pixel/2023-07-01", "tags": ["Vendor Advisory"], "refsource": ""}, {"url": "https://www.debian.org/security/2023/dsa-5480", "name": "https://www.debian.org/security/2023/dsa-5480", "tags": ["Third Party Advisory"], "refsource": ""}, {"url": "https://www.debian.org/security/2023/dsa-5480", "name": "https://www.debian.org/security/2023/dsa-5480", "tags": ["Third Party Advisory"], "refsource": ""}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-667"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2023-21400", "ASSIGNER": "security@android.com"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}}, "publishedDate": "2023-07-13T00:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2025-02-13T17:16Z"}