Debian/xen: medium 6.5
An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.
Action: Upgrade xen to 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 | - |
Fixed versions
| 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 |
Sources
published · modified · JSON