{"id":"CVE-2021-30002","details":"An issue was discovered in the Linux kernel before 5.11.3 when a webcam device exists. video_usercopy in drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak for large arguments, aka CID-fb18802a338b.","modified":"2026-03-14T14:57:22.643481Z","published":"2021-04-02T05:15:12.767Z","related":["ALSA-2022:7444","ALSA-2022:7683","SUSE-SU-2021:1210-1","SUSE-SU-2021:1211-1","SUSE-SU-2021:1238-1","SUSE-SU-2021:1248-1","SUSE-SU-2021:1266-1","SUSE-SU-2021:1301-1","SUSE-SU-2021:14724-1","SUSE-SU-2021:1573-1","SUSE-SU-2021:1596-1","SUSE-SU-2021:1617-1","SUSE-SU-2021:1623-1","SUSE-SU-2021:1624-1","SUSE-SU-2021:1625-1","SUSE-SU-2021:1975-1","SUSE-SU-2021:1977-1","openSUSE-SU-2021:0579-1","openSUSE-SU-2021:0758-1","openSUSE-SU-2021:1975-1","openSUSE-SU-2021:1977-1"],"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"},{"type":"REPORT","url":"https://bugzilla.suse.com/show_bug.cgi?id=1184120"},{"type":"FIX","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.3"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fb18802a338b36f675a388fc03d2aa504a0d0899"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.11.3"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-30002.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}