MNBSD-2021-1: Xen guest can trigger backend out-of-memory condition

Severity: Unknown

Affected Package: kernel

Summary: Xen guest can trigger backend out-of-memory condition

Description

A malicious Xen guest could trigger an out-of-memory condition in the backend by generating watch events faster than the backend processing thread could handle them, resulting in a denial of service.

Affected Versions

kernel

Recommendations

No specific recommendations provided.

References

Additional Information

Aliases: CVE-2020-29568

Published: January 29, 2021
Last Modified: January 29, 2021