High severity7.8NVD Advisory· Published Feb 17, 2021· Updated Jun 17, 2026

CVE-2021-26934

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Fedoraproject/Fedora2 versions
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=4.18,<=5.10.16
- (no CPE)range: 4.18 - 5.10.16
Linux/Linux kerneldescription

Patches

Vulnerability mechanics

References

xenbits.xen.org/xsa/advisory-363.htmlnvdPatchThird Party Advisory
security.netapp.com/advisory/ntap-20210326-0001/nvdThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4GELN5E6MDR5KQBJF5M5COUUED3YFZTD/nvd
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOAJBVAVR6RSCUCHNXPVSNRPSFM7INMP/nvd

News mentions

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