CVE-2015-8339
xen - security update
EPSS 0.10%
Description
The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly hand back pages to a domain, which might allow guest OS administrators to cause a denial of service (host crash) via unspecified vectors related to domain teardown.
How to fix CVE-2015-8339
To remediate CVE-2015-8339, upgrade the affected package to a fixed version below.
- Debian/xen—upgrade to 4.8.0~rc3-1 or later
- Debian/xen—upgrade to 4.4.1-9+deb8u4 or later
Is CVE-2015-8339 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.8.0~rc3-1
- from 0, < 4.4.1-9+deb8u4