{"id":"CVE-2019-20934","details":"An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.","modified":"2026-03-14T09:37:01.081859Z","published":"2020-11-28T07:15:11.037Z","related":["SUSE-SU-2020:3766-1","SUSE-SU-2020:3798-1","SUSE-SU-2021:0097-1","SUSE-SU-2021:0098-1","SUSE-SU-2021:0118-1","SUSE-SU-2021:0133-1","SUSE-SU-2021:0434-1","SUSE-SU-2021:0437-1","SUSE-SU-2021:0438-1","SUSE-SU-2021:0452-1","openSUSE-SU-2021:0075-1"],"references":[{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6"},{"type":"REPORT","url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1913"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16d51a590a8ce3befb1308e0e7ab77f3b661af33"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20934.json","unresolved_ranges":[{"events":[{"introduced":"4.19"},{"fixed":"4.19.64"}]},{"events":[{"introduced":"5.2"},{"last_affected":"5.2.17"}]},{"events":[{"introduced":"0"},{"last_affected":"5.3-rc1"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H"}]}