CVE-2015-8554: Buffer Overflow
Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a "write path."
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2015-8554?
CVE-2015-8554 is rated as critical due to its potential for privilege escalation in Xen environments.
How do I fix CVE-2015-8554?
To fix CVE-2015-8554, upgrade to Xen version 4.6.2 or later.
Who is affected by CVE-2015-8554?
CVE-2015-8554 affects Xen versions 4.6.x and earlier that utilize the qemu-xen-traditional device model.
What type of vulnerability is CVE-2015-8554?
CVE-2015-8554 is a buffer overflow vulnerability that can be exploited by local x86 HVM guest administrators.
What impact does CVE-2015-8554 have on system security?
Exploitation of CVE-2015-8554 may allow unauthorized privilege escalation, compromising the integrity of the host system.