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CVE-2025-58142

Mutiple vulnerabilities in the Viridian interface

Published: Sep 11, 2025Updated: Nov 4, 2025 Sources: CVE List NVD BDUCWE-395
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.4%
Top 65.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

[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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-395

Affected Products

XenXen
On-prem
Cloud & SaaS / virtualization
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
XenThe Linux Foundation
On-prem
Cloud & SaaS / virtualization
ОСОН ОСнова ОnyxАО «НППКТ»
On-premOS
Operating Systems / linux-distro
xenxen
On-prem
Cloud & SaaS / virtualization
xenoss-projectGBCloud & SaaSaka xapi, qemu
ооо «ред софт»commercialRUOperating Systemsaka red soft
the linux foundationoss-projectUSCloud & SaaSaka linuxfoundation.org, linux foundation
ао «нппкт»commercialRUOperating Systems

Exploitability

Official Patch Available
Workaround Available

References

https://xenbits.xenproject.org/xsa/advisory-472.html
xenbits.xenproject.org
https://redos.red-soft.ru/support/secure/
redos.red-soft.ru
https://поддержка.нппкт.рф/bin/view/ОСнова/Обновления/3.1/
xn--80ahaefyxhn.xn--j1afgaq.xn--p1ai
and 2 more references View all →

Timeline

Published
Sep 11, 2025
Last Updated
Nov 4, 2025

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