CVE-2025-58143
CRITICALDescription
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] There are multiple issues related to the handling and accessing of guest memory pages in the viridian code: 1. A NULL pointer dereference in the updating of the reference TSC area. This is CVE-2025-27466. 2. A NULL pointer dereference by assuming the SIM page is mapped when a synthetic timer message has to be delivered. This is CVE-2025-58142. 3. A race in the mapping of the reference TSC page, where a guest can get Xen to free a page while still present in the guest physical to machine (p2m) page tables. This is CVE-2025-58143.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Low risk: more likely to be exploited than 26% of all known CVEs.
References
Related Vulnerabilities
Other CWE-366 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2021-26569 | Critical | 9.8 | 2.2% | - | Fix |
| CVE-2026-23666 | Critical | 7.5 | 1.3% | - | - |
| CVE-2024-6778 | High | 7.5 | 0.8% | - | Fix |
| CVE-2023-6546 | High | 7.0 | 0.8% | - | Fix |
| CVE-2020-1629 | Medium | 5.9 | 0.7% | - | - |
| CVE-2025-31115 | High | - | 0.6% | - | Fix |
Embed a live status badge for CVE-2025-58143
Markdown
[](https://tridentstack.com/cve/CVE-2025-58143)HTML
<a href="https://tridentstack.com/cve/CVE-2025-58143"><img src="https://tridentstack.com/cve/badge/CVE-2025-58143.svg" alt="CVE-2025-58143"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.