deadlock potential with VT-d and legacy PCI device pass-through
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Xen | Xen | unknown |
|
No data.
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | — |
Vendor Workaround
Avoiding the passing through of the affected device types will avoid the vulnerability.
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-6068-1 | xen security update |
EUVD |
EUVD-2025-21765 | When setting up interrupt remapping for legacy PCI(-X) devices, including PCI(-X) bridges, a lookup of the upstream bridge is required. This lookup, itself involving acquiring of a lock, is done in a context where acquiring that lock is unsafe. This can lead to a deadlock. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.864% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:* |
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Xen
Xen xen |
|
| Vendors & Products |
Xen
Xen xen |
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-833 | |
| Metrics |
cvssV3_1
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | When setting up interrupt remapping for legacy PCI(-X) devices, including PCI(-X) bridges, a lookup of the upstream bridge is required. This lookup, itself involving acquiring of a lock, is done in a context where acquiring that lock is unsafe. This can lead to a deadlock. | |
| Title | deadlock potential with VT-d and legacy PCI device pass-through | |
| References |
|