DEBIAN-CVE-2025-27465

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2025-27465
Downstream
DSA-6068-1
Published: 16 Jul 2025, 09:15
Last modified:28 Apr 2026, 20:30

Vulnerability Summary

Overall Risk (default)
low
17/100
CVSS Score
4.3 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Jul 2025, 09:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:30
Last Modified
Vulnerability information updated

Description

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 logic is used, the metadata for exception handling was incorrect, preventing Xen from handling the the exception gracefully, treating it as fatal instead.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected Systems

  • debian•xen

    all | < 4.17.5+72-g01140da4e8-1 | < 4.20.2+7-g1badcf5035-0+deb13u1 | < 4.20.2+7-g1badcf5035-1

References (1)