CVE-2014-5146
EPSS 0.07%
Description
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.
How to fix CVE-2014-5146
To remediate CVE-2014-5146, upgrade the affected package to a fixed version below.
- Debian/xen—upgrade to 4.4.1-4 or later
Is CVE-2014-5146 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.4.1-4