7PK - Security Features
CVE-2015-8338
Summary
Xen 4.6.x and earlier does not properly enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly other HYPERVISOR_memory_op suboperations, which allows ARM guest OS administrators to cause a denial of service (CPU consumption, guest reboot, or watchdog timeout and host reboot) and possibly have unspecified other impact via unknown vectors.
- LOW
- LOCAL
- NONE
- COMPLETE
- COMPLETE
- COMPLETE
CWE-254 - Security Features
Security features are integrated into the application infrastructure to protect its resources and the trusted environment against a known exploit, threat, or vulnerability. However, flawed, disabled, or absent security features expose the application to a variety of attacks. This is a multidimensional vulnerability with broad potential impact. It can lead to defacement, confidentiality compromise, system takeover, etc.
References
Advisory Timeline
- Published