CVE-2024-31142

HIGH

Xen < 4.15.6 - Protection Mechanism Failure in XSA-407 and XSA-434 Mitigation

Title source: llm
STIX 2.1

Description

Because of a logical error in XSA-407 (Branch Type Confusion), the mitigation is not applied properly when it is intended to be used. XSA-434 (Speculative Return Stack Overflow) uses the same infrastructure, so is equally impacted. For more details, see: https://xenbits.xen.org/xsa/advisory-407.html https://xenbits.xen.org/xsa/advisory-434.html

Scores

CVSS v3 7.5
EPSS 0.0312
EPSS Percentile 87.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-693
Status published
Products (3)
fedoraproject/fedora 38
fedoraproject/fedora 40
xen/xen < 4.15.6
Published May 16, 2024
Tracked Since Feb 18, 2026