{"id":"CVE-2021-26934","details":"An issue was discovered in the Linux kernel 4.18 through 5.10.16, as used by Xen. The backend allocation (aka be-alloc) mode of the drm_xen_front drivers was not meant to be a supported configuration, but this wasn't stated accordingly in its support status entry.","modified":"2026-03-13T01:55:10.528237Z","published":"2021-02-17T02:15:13.143Z","references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GELN5E6MDR5KQBJF5M5COUUED3YFZTD/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOAJBVAVR6RSCUCHNXPVSNRPSFM7INMP/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210326-0001/"},{"type":"FIX","url":"http://xenbits.xen.org/xsa/advisory-363.html"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"4.18"},{"last_affected":"5.10.16"}]},{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-26934.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"}]}