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CVE-2024-31142

32
FAUCET Score

CVE-2024-31142 is a logical error in Xen's mitigation for Branch Type Confusion (XSA-407) and Speculative Return Stack Overflow (XSA-434), affecting fedoraproject and Xen products. It carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with high complexity, requiring low privileges, and potentially leading to high confidentiality, integrity, and availability impacts. Currently, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.15.6CPE matchmatch criteria
cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*
>= 4.16.0, < 4.16.6CPE matchmatch criteria
cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*
>= 4.17.0, < 4.17.4CPE matchmatch criteria
cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*
>= 4.18.0, < 4.18.2CPE matchmatch criteria
cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*
38CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
17.44%
Probability of exploitation in next 30 days
EPSS Percentile
96.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1744 is in the 97th percentile among its peer group of 1,162 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.fedoraproject.org / archives/list/[email protected]/message/D5OK6MH75S7YWD34EWW7QIZTS627RIE3
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/RYAZ7P6YFJ2E3FHKAGIKHWS46KYMMTZH
Mailing ListThird Party Advisory
xenbits.xen.org / xsa/advisory-455.html
PatchVendor Advisory
xenbits.xenproject.org / xsa/advisory-455.html
PatchVendor Advisory