SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2024-31142

XSA-434 (Speculative Return Stack Overflow) uses the same infrastructure, so is equally impacted.

HIGH 7.5EPSS 17.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 17.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

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

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
17.44% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-693
Affected
xen/xen · fedoraproject/fedora
Source
security@xen.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.