CVE-2025-58143 is a critical race condition vulnerability affecting Xen, specifically within the viridian code's handling of guest memory pages. A malicious guest can exploit this flaw to cause Xen to free a reference TSC page while it is still mapped in the guest's physical-to-machine page tables. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is currently no public exploit intelligence, Metasploit modules, or Nuclei templates available, and it shows no active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.13.0, < 4.17.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.