CVE-2015-8554: Buffer Overflow
First published: Thu Apr 14 2016(Updated: )
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."
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen xen-unstable | <=4.6.1 |
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Reference Links
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.
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