{"id":"CVE-2020-36387","details":"An issue was discovered in the Linux kernel before 5.8.2. fs/io_uring.c has a use-after-free related to io_async_task_func and ctx reference holding, aka CID-6d816e088c35.","modified":"2026-03-15T22:36:05.448298Z","published":"2021-06-07T20:15:08.313Z","references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210727-0006/"},{"type":"FIX","url":"https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-io_async_task_func"},{"type":"FIX","url":"https://syzkaller.appspot.com/bug?id=ce5f07d6ec3b5050b8f0728a3b389aa510f2591b"},{"type":"FIX","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d816e088c359866f9867057e04f244c608c42fe"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36387.json","unresolved_ranges":[{"events":[{"introduced":"5.7"},{"fixed":"5.7.16"}]},{"events":[{"introduced":"5.8"},{"fixed":"5.8.2"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}