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.
References (4)
Core 4
Core References
Patch, Third Party Advisory x_refsource_misc
http://xenbits.xen.org/xsa/advisory-363.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GELN5E6MDR5KQBJF5M5COUUED3YFZTD/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOAJBVAVR6RSCUCHNXPVSNRPSFM7INMP/
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210326-0001/
Scores
CVSS v3
7.8
EPSS
0.0035
EPSS Percentile
26.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (3)
fedoraproject/fedora
32
fedoraproject/fedora
33
linux/linux_kernel
4.18 - 5.10.16
Published
Feb 17, 2021
Tracked Since
Feb 18, 2026