CVE-2024-31142

x86: Incorrect logic for BTC/SRSO mitigations

High · published May 16, 2024

CVSS v3.1
7.5
EPSS
17%
Percentile
97.1
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.17444 · 97.1th percentile
Published
2024-05-16T13:39Z
EPSS history
Timeline
  • 16 MAY 13:39Z
    x86: Incorrect logic for BTC/SRSO mitigations
    cvelistv5