CVE-2015-7969

描述

Multiple memory leaks in Xen 4.0 through 4.6.x allow local guest administrators or domains with certain permission to cause a denial of service (memory consumption) via a large number of "teardowns" of domains with the vcpu pointer array allocated using the (1) XEN_DOMCTL_max_vcpus hypercall or the xenoprofile state vcpu pointer array allocated using the (2) XENOPROF_get_buffer or (3) XENOPROF_set_passive hypercall.

如何修補 CVE-2015-7969

要修補 CVE-2015-7969,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-2015-7969 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

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2015-7969