All vulnerabilities

Servers and applications

CVE-2025-27465

Certain instructions need intercepting and emulating by Xen. In some cases Xen emulates the instruction by replaying it, using an executable stub. Some instructions may raise an exception, which is supposed to be handled gracefully. Certain replayed instructions have additional logic to set up and recover the changes to the arithmetic flags. For replayed instructions where the flags recovery…

Severity
Medium 4.3
Published
16 Jul 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • From 4.9.0 on

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-27465
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-27465