{"id":"CVE-2019-20636","details":"In the Linux kernel before 5.4.12, drivers/input/input.c has out-of-bounds writes via a crafted keycode table, as demonstrated by input_set_keycode, aka CID-cb222aed03d7.","aliases":["A-153715664","ASB-A-153715664"],"modified":"2026-04-11T11:50:49.834887Z","published":"2020-04-08T14:15:12.600Z","related":["ALSA-2020:4431"],"database_specific":{"unresolved_ranges":[{"cpe":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","extracted_events":[{"fixed":"3.16.83"},{"introduced":"3.17"},{"fixed":"4.4.210"},{"introduced":"4.5"},{"fixed":"4.9.210"},{"introduced":"4.10"},{"fixed":"4.14.165"},{"introduced":"4.15"},{"fixed":"4.19.96"},{"introduced":"4.20"},{"fixed":"5.4.12"}],"source":"CPE_FIELD"},{"extracted_events":[{"fixed":"5.4.12"}],"source":"DESCRIPTION"}]},"references":[{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.12"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200430-0004/"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cb222aed03d798fc074be55e59d9a112338ee784"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/cb222aed03d798fc074be55e59d9a112338ee784"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git","events":[{"introduced":"0"},{"fixed":"cb222aed03d798fc074be55e59d9a112338ee784"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-20636.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/torvalds/linux","events":[{"introduced":"0"},{"fixed":"cb222aed03d798fc074be55e59d9a112338ee784"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-20636.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"}]}