{"id":"CVE-2018-19333","details":"pkg/sentry/kernel/shm/shm.go in Google gVisor before 2018-11-01 allows attackers to overwrite memory locations in processes running as root (but not escape the sandbox) via vectors involving IPC_RMID shmctl calls, because reference counting is mishandled.","modified":"2026-07-08T05:57:03.359012931Z","published":"2018-11-17T17:29:00.227Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"fixed":"2018-11-01"}],"source":"CPE_RANGE","vendor_product":"google:gvisor","cpes":["cpe:2.3:a:google:gvisor:*:*:*:*:*:*:*:*"]},{"extracted_events":[{"fixed":"2018-11-01"}],"source":"DESCRIPTION"}]},"references":[{"type":"FIX","url":"https://github.com/google/gvisor/commit/0e277a39c8b6f905e289b75e8ad0594e6b3562ca"},{"type":"EVIDENCE","url":"https://justi.cz/security/2018/11/14/gvisor-lpe.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/google/gvisor","events":[{"introduced":"0"},{"fixed":"0e277a39c8b6f905e289b75e8ad0594e6b3562ca"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19333.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}