CVE-2025-58142Use of NullPointerException Catch to Detect NULL Pointer Dereference in XEN

Severity
9.8CRITICALNVD
EPSS
0.0%
top 92.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 11

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 mapp

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

NVDxen/xen4.13.04.17.0
Alpinexen/xen< 4.18.5-r2+4
Debianxen/xen< 4.17.5+72-g01140da4e8-1+2

🔴Vulnerability Details

12
OSV
CVE-2025-27466: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE2025-09-11
OSV
CVE-2025-58143: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE2025-09-11
OSV
CVE-2025-58143: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE2025-09-11
CVEList
Mutiple vulnerabilities in the Viridian interface2025-09-11
GHSA
GHSA-37qm-8w2q-wgx4: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE2025-09-11

📋Vendor Advisories

3
Debian
CVE-2025-58143: xen - [This CNA information record relates to multiple CVEs; the text explains which a...2025
Debian
CVE-2025-58142: xen - [This CNA information record relates to multiple CVEs; the text explains which a...2025
Debian
CVE-2025-27466: xen - [This CNA information record relates to multiple CVEs; the text explains which a...2025