CVE-2024-31142: xen — Fix

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

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-693 CWE-693

Affected Products

Vendor	Product	Versions
xen	xen	< 4.15.6
xen	xen	4.16.0 — 4.16.6
xen	xen	4.17.0 — 4.17.4
xen	xen	4.18.0 — 4.18.2
fedoraproject	fedora	All
fedoraproject	fedora	All

References

Advisories & Patches

https://xenbits.xenproject.org/xsa/advisory-455.html http://xenbits.xen.org/xsa/advisory-455.html https://xenbits.xenproject.org/xsa/advisory-455.html

Other References

https://lists.fedoraproject.org/archives/list/[email protected]/message/D5OK6MH75S7YWD34EWW7QIZTS627RIE3/ https://lists.fedoraproject.org/archives/list/[email protected]/message/RYAZ7P6YFJ2E3FHKAGIKHWS46KYMMTZH/

Frequently Asked Questions

What is CVE-2024-31142? +

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 It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-31142? +

CVE-2024-31142 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-31142? +

CVE-2024-31142 affects products from fedoraproject, xen, specifically: fedora, xen. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-31142? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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