Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002173)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002173 advisory. Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to...

UBUNTU-CVE-2021-28713

Rogue backends can cause DoS of guests via high frequency events This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "drive...

DEBIAN-CVE-2015-8550

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service host OS crash or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability...