{"id":"CVE-2025-68317","summary":"io_uring/zctx: check chained notif contexts","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/zctx: check chained notif contexts\n\nSend zc only links ubuf_info for requests coming from the same context.\nThere are some ambiguous syz reports, so let's check the assumption on\nnotification completion.","modified":"2026-04-02T13:03:33.148446Z","published":"2025-12-16T15:39:47.159Z","related":["SUSE-SU-2026:20207-1","SUSE-SU-2026:20220-1","SUSE-SU-2026:20228-1","openSUSE-SU-2026:20145-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68317.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/aaafd17d3f4be2c15539359a5b4bfa00237f687f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ab3ea6eac5f45669b091309f592c4ea324003053"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d664a3ce3a604231a0b144c152a3755d03b18b60"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68317.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68317"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6fe4220912d19152a26ce19713ab232f4263018d"},{"fixed":"aaafd17d3f4be2c15539359a5b4bfa00237f687f"},{"fixed":"d664a3ce3a604231a0b144c152a3755d03b18b60"},{"fixed":"ab3ea6eac5f45669b091309f592c4ea324003053"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68317.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.10.0"},{"fixed":"6.12.58"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.17.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-68317.json"}}],"schema_version":"1.7.5"}