9.8

CVE-2025-58143: Mutiple vulnerabilities in the Viridian interface

Modified
AliasesALPINE-CVE-2025-58143UBUNTU-CVE-2025-58143DEBIAN-CVE-2025-58143
Published 11-09-2025Last modified 04-11-2025

Vulnerability summary

CVE-2025-58143 is a critical (CVSS 9.8) Race Condition within a Thread vulnerability in xen. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 31.9% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.38%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 7
DSA-6068-1MGASA-2025-0270OPENSUSE-SU-2025:15547-1SUSE-SU-2025:03172-1SUSE-SU-2025:3797-1SUSE-SU-2025:3798-1

Timeline

  1. 11-09-2025
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

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 metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

32%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.37% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Alpine1 product
  • xen≥ 4.13.0, < 4.18.5-r2 | ≥ 4.13.0, < 4.19.3-r1 | ≥ 4.13.0, < 4.20.1-r1
Debian1 product
  • xen< 4.17.5+72-g01140da4e8-1 | < 4.20.2+7-g1badcf5035-0+deb13u1 | < 4.20.2+7-g1badcf5035-1
Ubuntu1 product
  • xenAll versions (No fix recorded)
Xen1 product
  • xen≥ 4.13.0, < 4.17.0

4 vendors · 4 products

References

8 links