{"schema_version":"1.9.0","id":"CVE-2023-52926","published":"2025-02-24T09:01:19.209Z","modified":"2026-08-12T03:51:48.123952324Z","related":["SUSE-SU-2025:01919-1","SUSE-SU-2025:1177-1","SUSE-SU-2025:1178-1","SUSE-SU-2025:1180-1","SUSE-SU-2025:20190-1","SUSE-SU-2025:20192-1","SUSE-SU-2025:20260-1","SUSE-SU-2025:20270-1"],"summary":"io_uring/rw: split io_read() into a helper","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nIORING_OP_READ did not correctly consume the provided buffer list when\nread i/o returned < 0 (except for -EAGAIN and -EIOCBQUEUED return).\nThis can lead to a potential use-after-free when the completion via\nio_rw_done runs at separate context.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2b188cc1bb857a9d4701ae59aa7768b5124e262e"},{"fixed":"72060434a14caea20925e492310d6e680e3f9007"},{"fixed":"6c27fc6a783c8a77c756dd5461b15e465020d075"},{"fixed":"a08d195b586a217d76b42062f88f375a3eedda4d"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52926.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.1.0"},{"fixed":"6.1.122"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.68"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52926.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6c27fc6a783c8a77c756dd5461b15e465020d075"},{"type":"WEB","url":"https://git.kernel.org/stable/c/72060434a14caea20925e492310d6e680e3f9007"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a08d195b586a217d76b42062f88f375a3eedda4d"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52926.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52926"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52926.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}