CVE-2015-7813
EPSS 0.08%
描述
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.
如何修補 CVE-2015-7813
要修補 CVE-2015-7813,請將受影響套件升級到下列已修補版本。
- Debian/xen—升級至 4.6.0-1 或更新版本
CVE-2015-7813 正在被利用嗎?
低 — EPSS 為 0.1%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 4.6.0-1