4.3

CVE-2025-27465

x86: Incorrect stubs exception handling for flags recovery

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Xen ≫ Xen HwPlatformx86 Version >= 4.9.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.34% 0.567
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 4.3 2.8 1.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE-755 Improper Handling of Exceptional Conditions

The product does not handle or incorrectly handles an exceptional condition.