{"id":"CVE-2023-2598","state":"PUBLISHED","title":"A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical mem","description":"A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.","publishedAt":"2023-06-01T00:00:00.000Z","updatedAt":"2025-04-23T16:21:25.896Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"redhat","products":["n/a Kernel"],"affected":[{"vendor":"n/a","product":"Kernel","versions":[{"version":"Kernel prior to  6.4-rc1","status":"affected"}]}],"references":["https://www.openwall.com/lists/oss-security/2023/05/08/3","https://security.netapp.com/advisory/ntap-20230703-0006/","http://www.openwall.com/lists/oss-security/2024/04/24/3"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/2xxx/CVE-2023-2598.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-2598","state":"PUBLISHED","datePublished":"2023-06-01T00:00:00.000Z","dateUpdated":"2025-04-23T16:21:25.896Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2023-05-09T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation."}],"affected":[{"vendor":"n/a","product":"Kernel","versions":[{"version":"Kernel prior to  6.4-rc1","status":"affected"}]}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2023/05/08/3"},{"url":"https://security.netapp.com/advisory/ntap-20230703-0006/"},{"url":"http://www.openwall.com/lists/oss-security/2024/04/24/3","name":"[oss-security] 20240424 CVE-2024-0582 - Linux kernel use-after-free vulnerability in io_uring, writeup and exploit strategy","tags":["mailing-list"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","type":"CWE","lang":"en","description":"CWE-416"}]}],"providerMetadata":{"shortName":"redhat","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateUpdated":"2024-05-01T18:11:38.879Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.openwall.com/lists/oss-security/2023/05/08/3","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230703-0006/","tags":["x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2024/04/24/3","name":"[oss-security] 20240424 CVE-2024-0582 - Linux kernel use-after-free vulnerability in io_uring, writeup and exploit strategy","tags":["mailing-list","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T06:26:09.892Z"}},{"title":"CISA ADP Vulnrichment","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":{"timestamp":"2025-04-23T13:27:58.562786Z","id":"CVE-2023-2598","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-23T16:21:25.896Z"}}]}}}