Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Xen / Xen | unknown consult Xen advisory XSA-467 |
CWE
No CWE identifiers supplied.
References
ADP enrichment
No English description supplied.
No English description supplied.
No references supplied.