CVE-2026-62431

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.

Score

CVSS 3.1 7.5 High

Status

Deferred - security@xen.org

Published

2026-07-28

Last modified

2026-07-28

Weaknesses

CWE-369

Affected products

• Xen (Xen)

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