Fedora 42 update for xen



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-1713
CWE-ID CWE-833
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

xen
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Deadlock

EUVDB-ID: #VU105104

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/U:Green]

CVE-ID: CVE-2025-1713

CWE-ID: CWE-833 - Deadlock

Exploit availability: No

Description

The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking when handling legacy PCI devices pass-through. A malicious low-privileged guest can crash the entire host. 

Successful exploitation of the vulnerability requires Intel IOMMU hardware (VT-d).

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 42

xen: before 4.19.1-7.fc42

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2025-7f19d8dfe4


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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