{"id":"CVE-2021-28375","details":"An issue was discovered in the Linux kernel through 5.11.6. fastrpc_internal_invoke in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages, aka CID-20c40794eb85. This is a related issue to CVE-2019-2308.","aliases":["A-183188047","ASB-A-183188047"],"modified":"2026-03-13T01:55:40.399040Z","published":"2021-03-15T05:15:13.740Z","related":["MGASA-2021-0151","MGASA-2021-0152","SUSE-SU-2021:1177-1","SUSE-SU-2021:1211-1","SUSE-SU-2021:1238-1","SUSE-SU-2021:1625-1","SUSE-SU-2021:1975-1","SUSE-SU-2021:1977-1","openSUSE-SU-2021:0532-1","openSUSE-SU-2021:0758-1","openSUSE-SU-2021:1975-1","openSUSE-SU-2021:1977-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OMRQVOTASD3VZP6GE4JJHE27QU6FHTZ6/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJPVQZPY3DHPV5I3IVNMSMO6D3PKZISX/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XAUNYDTGE6MB4NWL2SIHPCODCLET3JZB/"},{"type":"WEB","url":"https://lore.kernel.org/stable/YD03ew7+6v0XPh6l%40kroah.com/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210401-0003/"},{"type":"FIX","url":"https://git.kernel.org/linus/20c40794eb85ea29852d7bc37c55713802a543d6"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"5.1"},{"fixed":"5.4.106"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.10.24"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.11.7"}]},{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-28375.json"}}],"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"}]}