Vulnerability in Xen
CVE-2015-7813
Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows local guests to cause a denial of service via a sequence of (1) HYPERVISOR_physdev_op hypercalls, which are not properly handled in the do_physdev_op function in arch/arm/physdev.c, or (2) HYPERVISOR_hvm_op hypercalls, which are not properly handled in the do_hvm_op function in arch/arm/hvm.c.
EPSS: 0.004 (31.7th percentile) — read the EPSS interpretation.
Affected products
- Xen — versions 4.4.0, 4.4.1, 4.5.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (vdb-entry, x_refsource_SECTRACK)