CVEvulnerability
CVE-2021-26934
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-02-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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
Description
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.
Affected configurations
• linux linux kernel (>= 4.18 <= 5.10.16)
• fedoraproject fedora 32
• fedoraproject fedora 33
References
- http://xenbits.xen.org/xsa/advisory-363.html Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GELN5E6MDR5KQBJF5M5COUUED3YFZTD/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOAJBVAVR6RSCUCHNXPVSNRPSFM7INMP/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20210326-0001/ Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-363.html Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GELN5E6MDR5KQBJF5M5COUUED3YFZTD/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOAJBVAVR6RSCUCHNXPVSNRPSFM7INMP/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20210326-0001/ Third Party Advisory