# CVE-2025-1713: xen: When setting up interrupt remapping for legacy PCI(-X) devices, including PCI(-X) bridges, a lookup of the upstream b...

CVE-2025-1713 is fixed in xen on 1 platform, first by SUSE-SU-2025:1162-1, released April 7, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-1713
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0086
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 7, 2025

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | xen Debian 12.15 (bookworm) | 4.17.5+72-g01140da4e8-1 | [DEBIAN-CVE-2025-1713](https://patchblox.com/security/data/fix/linux/debian-cve-2025-1713.md) | Jul 17, 2025 |
| Linux | xen Debian 13.5 (trixie) | 4.20.0-1 | [DEBIAN-CVE-2025-1713](https://patchblox.com/security/data/fix/linux/debian-cve-2025-1713.md) | Jul 17, 2025 |
| Linux | xen Debian 14 | 4.20.0-1 | [DEBIAN-CVE-2025-1713](https://patchblox.com/security/data/fix/linux/debian-cve-2025-1713.md) | Jul 17, 2025 |
| Linux | xen opensuse-leap 15.6 | 4.18.4_06-150600.3.20.1 | [SUSE-SU-2025:1162-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1162-1.md) | Apr 7, 2025 |
| Linux | xen sles 15.6 | 4.18.4_06-150600.3.20.1 | [SUSE-SU-2025:1162-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1162-1.md) | Apr 7, 2025 |

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