Vulnerability Description
The logic to handle periodic Viridian STIMERs performs a division with an unchecked user-controlled divisor value, that can be set to zero to cause a #DE fault.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Weaknesses (CWE)
References
- https://xenbits.xenproject.org/xsa/advisory-504.html
- http://www.openwall.com/lists/oss-security/2026/07/28/20
- http://xenbits.xen.org/xsa/advisory-504.html
FAQ
What is CVE-2026-62431?
CVE-2026-62431 is a vulnerability with a CVSS score of 7.5 (HIGH). The logic to handle periodic Viridian STIMERs performs a division with an unchecked user-controlled divisor value, that can be set to zero to cause a #DE fault.
How severe is CVE-2026-62431?
CVE-2026-62431 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-62431?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.