CVE-2015-8550: High severity xen xapi vulnerability
Last updated 24 July 2024
Other sources
Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2015-8550?
CVE-2015-8550 is classified as a high severity vulnerability due to its potential to cause a denial of service or privilege escalation.
How do I fix CVE-2015-8550?
To fix CVE-2015-8550, update your system to the latest versions of the affected software such as Xen, Linux, and QEMU provided in the remedy list.
What types of systems are affected by CVE-2015-8550?
CVE-2015-8550 affects systems that provide PV backends, including various versions of Xen and specific distributions of SUSE and Debian.
Can CVE-2015-8550 be exploited remotely?
CVE-2015-8550 requires local guest OS administrative privileges to exploit, thus it cannot be executed remotely.
What is the nature of the vulnerability described in CVE-2015-8550?
CVE-2015-8550 is a double fetch vulnerability that allows local guest OS administrators to manipulate memory shared between the frontend and backend, leading to potential system crashes.