Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in privilege escalation. In addition this updates provides mitigations for the Retbleed speculative execution attack and the MMIO stale data vulnerabilities. For additional information please refer to the following pages: https://xenbits.xen.org/xsa/advisory-404.html https://xenbits.xen.org/xsa/advisory-407.html For the stable distribution (bullseye), these problems have been fixed in version 4.14.5+24-g87d90d511c-1. We recommend that you upgrade your xen packages. For the detailed security status of xen please refer to its security tracker page at: https://security-tracker.debian.org/tracker/xen
Multiple vulnerabilities have been discovered in the Xen hypervisor, which
could result in privilege escalation. In addition this updates provides
mitigations for the Retbleed
speculative execution attack and the
MMIO stale data
vulnerabilities.
For additional information please refer to the following pages: https://xenbits.xen.org/xsa/advisory-404.html https://xenbits.xen.org/xsa/advisory-407.html
For the stable distribution (bullseye), these problems have been fixed in version 4.14.5+24-g87d90d511c-1.
We recommend that you upgrade your xen packages.
For the detailed security status of xen please refer to its security tracker page at: https://security-tracker.debian.org/tracker/xen