Debian/xen: low 2.9
In the context switch logic Xen attempts to skip an IBPB in the case of a vCPU returning to a CPU on which it was the previous vCPU to run. While safe for Xen's isolation between vCPUs, this prevents
Action: Upgrade xen to 4.20.2+37-g61ff35323e-0+deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.20.2+37-g61ff35323e-0+deb13u1 | - |
Fixed versions
| 4.20.2+37-g61ff35323e-0+deb13u1 |
Sources
published · modified · JSON