unchecked user-controlled divisor value, that can be set to zero to cause a #DE
fault.
No advisories yet.
Solution
No solution given by the vendor.
Workaround
Not enabling Viridian STIMERs for HVM guests will avoid the vulnerability. Note Viridian extensions are not enabled by default.
| 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
|
Projects
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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