{"schema_version":"1.7.5","id":"CVE-2020-29040","published":"2020-11-24T17:15:11.177Z","modified":"2026-03-15T14:39:26.902382Z","related":["openSUSE-SU-2024:11520-1"],"details":"An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service (stack corruption), cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671.","affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-29040.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.14.0"}]}]}}],"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/01/19/4"},{"type":"ADVISORY","url":"http://xenbits.xen.org/xsa/advisory-355.html"},{"type":"ADVISORY","url":"https://xenbits.xen.org/xsa/advisory-355.html"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}]}