CVEvulnerability
CVE-2020-29040
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-11-24
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-193, CWE-787
Description
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 configurations
• xen xen (<= 4.14.0)
Related
References
- http://www.openwall.com/lists/oss-security/2021/01/19/4 Mailing List, Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-355.html Vendor Advisory
- https://xenbits.xen.org/xsa/advisory-355.html Vendor Advisory
- http://www.openwall.com/lists/oss-security/2021/01/19/4 Mailing List, Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-355.html Vendor Advisory
- https://xenbits.xen.org/xsa/advisory-355.html Vendor Advisory