CVE-2015-7972
EPSS 0.07%
描述
The (1) libxl_set_memory_target function in tools/libxl/libxl.c and (2) libxl__build_post function in tools/libxl/libxl_dom.c in Xen 3.4.x through 4.6.x do not properly calculate the balloon size when using the populate-on-demand (PoD) system, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors related to "heavy memory pressure."
如何修補 CVE-2015-7972
要修補 CVE-2015-7972,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-2015-7972 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