unchecked user-controlled divisor value, that can be set to zero to cause a #DE
fault.
Analysis and contextual insights are available on OpenCVE Cloud.
Vendor Workaround
Not enabling Viridian STIMERs for HVM guests will avoid the vulnerability. Note Viridian extensions are not enabled by default.
Tracking
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No advisories yet.
| Link | Providers |
|---|---|
| https://xenbits.xenproject.org/xsa/advisory-504.html |
|
Tue, 28 Jul 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Xen
Xen xen |
|
| Vendors & Products |
Xen
Xen xen |
Tue, 28 Jul 2026 16:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Viridian STIMER division by zero | |
| Weaknesses | CWE-369 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: XEN
Published:
Updated: 2026-07-28T16:33:31.447Z
Reserved: 2026-07-14T10:28:12.655Z
Link: CVE-2026-62431
Updated: 2026-07-28T16:33:31.447Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-07-28T20:00:10Z