Vulnerability in Xen

CVE-2015-6654

The xenmem_add_to_physmap_one function in arch/arm/mm.c in Xen 4.5.x, 4.4.x, and earlier does not limit the number of printk console messages when reporting a failure to retrieve a reference on a foreign page, which allows remote domains to cause a denial of service by leveraging permissions to map the memory of a foreign guest.

EPSS: 0.004 (33.2th percentile) — read the EPSS interpretation.

Affected products

  • Xen — versions 4.4.0, 4.5.0, 4.5.1
  • N/a — versions n/a

Weakness classification (CWE)

References