https://seclists.org/oss-sec/2026/q2/167: Xen Security Advisory 488 v1 - x86: Floating Point Divider State Sampling
Published Apr 17, 2026
·Updated
Affected Software
1 affected component
Xen Project Xen
Frequently Asked Questions
1
What is the severity of XSA-488?
XSA-488 is considered a high severity vulnerability due to its potential impact on privileged access.
2
How do I fix XSA-488?
To mitigate XSA-488, update to the latest version of Xen Project after the recommended patches are applied.
3
What systems are affected by XSA-488?
XSA-488 affects all versions of the Xen Project that utilize x86 architecture.
4
What type of vulnerability is XSA-488?
XSA-488 is a security vulnerability related to the sampling of floating point divider states.
5
Who discovered XSA-488?
XSA-488 was discovered by researchers from the CISPA Helmholtz Center for Information Security.