Is CVE-2024-31142 in the CISA KEV catalog?

No. CVE-2024-31142 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-31142?

CVE-2024-31142 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2024-31142?

CVE-2024-31142 has an EPSS score of 17.44% (97th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-31142?

Upgrade xen on debian 12 to 4.17.5+23-ga4e5191dc0-1 or later.

CVE & CISA-KEV Catalog

CVE-2024-31142

HIGHEPSS 97th pctl

7.5

CVSS v3

NVD

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

CWE-693Protection Mechanism Failure

How to fix

Remediation Available

xenDebian

Fixed in:4.17.5+23-ga4e5191dc0-1CVE-2024-31142

Fixed in:4.19.1-1CVE-2024-31142

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

17.44%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

Patch2

Third-Party Advisory2

Related Vulnerabilities

Other CWE-693 (Protection Mechanism Failure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-2465	Critical	9.8	99%	KEV + Ransom	-
CVE-2024-21412	High	8.1	95%	KEV + Ransom	Fix
CVE-2013-0431	Medium	5.3	90%	KEV + Ransom	-
CVE-2025-40536	High	8.1	82%	KEV	Fix
CVE-2019-1003030	Critical	9.9	76%	KEV	-
CVE-2025-0411	High	7.0	67%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-05.