{"id":"CVE-2020-15436","details":"Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.","aliases":["A-174737742","ASB-A-174737742"],"modified":"2026-03-13T00:30:14.441010Z","published":"2020-11-23T21:15:11.813Z","related":["SUSE-SU-2020:3713-1","SUSE-SU-2020:3717-1","SUSE-SU-2020:3718-1","SUSE-SU-2020:3748-1","SUSE-SU-2020:3764-1","SUSE-SU-2020:3766-1","SUSE-SU-2020:3798-1","SUSE-SU-2021:0097-1","SUSE-SU-2021:0098-1","SUSE-SU-2021:0434-1","SUSE-SU-2021:0437-1","SUSE-SU-2021:0438-1","SUSE-SU-2021:0452-1","SUSE-SU-2021:14630-1","openSUSE-SU-2020:2161-1","openSUSE-SU-2020:2193-1","openSUSE-SU-2020:2260-1","openSUSE-SU-2021:0242-1"],"references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20201218-0002/"},{"type":"FIX","url":"https://lkml.org/lkml/2020/6/7/379"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"2.6.38"},{"fixed":"4.4.229"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.9.229"}]},{"events":[{"introduced":"4.10"},{"fixed":"4.14.186"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.19.130"}]},{"events":[{"introduced":"4.20"},{"fixed":"5.4.49"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.7.6"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-15436.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}