https://seclists.org/oss-sec/2026/q3/312: Xen Security Advisory 508 v2 - pygrub is only supported in de-privileged mode
Published Jul 28, 2026
·Updated
Affected Software
1 affected component
Xen Project Xen>=undefined
Frequently Asked Questions
1
What is the severity of XSA-508?
XSA-508 is classified as a vulnerability that requires attention due to its implications for security in Xen Project.
2
How do I fix XSA-508?
To address XSA-508, ensure that pygrub is only utilized in de-privileged mode as recommended in the advisory.
3
What systems are affected by XSA-508?
XSA-508 affects systems utilizing the Xen Project where pygrub is employed.
4
When was XSA-508 published?
XSA-508 was publicly released on July 28, 2026.
5
What are the updates included in version 2 of XSA-508?
Version 2 of XSA-508 includes public release details and clarifications regarding the de-privileged mode for pygrub.