Xen up to 4.17 Legacy PCI Device deadlock

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Xen up to 4.17. This affects an unknown function of the component Legacy PCI Device Handler. Executing a manipulation can lead to deadlock. The identification of this vulnerability is CVE-2025-1713. The attack can only be executed locally. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Xen up to 4.17. It has been declared as critical. This vulnerability affects an unknown functionality of the component Legacy PCI Device Handler. The manipulation with an unknown input leads to a deadlock vulnerability. The CWE definition for the vulnerability is CWE-833. The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock. As an impact it is known to affect availability. CVE summarizes:

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.

The advisory is shared for download at xenbits.xen.org. This vulnerability was named CVE-2025-1713 since 02/26/2025. The exploitation appears to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 216969 (Fedora 41 : xen (2025-20f63c4273)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at xenbits.xen.org.

The vulnerability is also documented in the databases at Tenable (216969) and EUVD (EUVD-2025-21765). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deadlock
CWE: CWE-833 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 216969
Nessus Name: Fedora 41 : xen (2025-20f63c4273)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: xenbits.xen.org

Timelineinfo

02/26/2025 🔍
02/27/2025 +1 days 🔍
02/27/2025 +0 days 🔍
01/14/2026 +320 days 🔍

Sourcesinfo

Advisory: xenbits.xen.org
Status: Confirmed

CVE: CVE-2025-1713 (🔍)
GCVE (CVE): GCVE-0-2025-1713
GCVE (VulDB): GCVE-100-297844
EUVD: 🔍

Entryinfo

Created: 02/27/2025 14:38
Updated: 01/14/2026 00:58
Changes: 02/27/2025 14:38 (53), 03/01/2025 15:48 (2), 07/17/2025 17:12 (1), 01/14/2026 00:58 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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