Vulnerability in Xen

CVE-2015-8338

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.

EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.

Affected products

Xen
N/a — versions n/a

Weakness classification (CWE)

CWE-254

References

cve@mitre.org (vdb-entry, x_refsource_BID)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
cve@mitre.org (vdb-entry, x_refsource_SECTRACK)
cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)