Debian/xen: medium 6.5
Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.
Action: Upgrade xen to 4.8.1-1+deb9u3 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.8.1-1+deb9u3 | - |
Fixed versions
| 4.8.1-1+deb9u3 |
Sources
published · modified · JSON