Permissions, Privileges, and Access Controls in Xen - CVE-2025-58145
Published: September 9, 2025
Vulnerability identifier: #VU115008
CSH Severity: Medium
CVSS v4: 6.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H]
CVE-ID: CVE-2025-58145
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a malicious guest to gain access to sensitive information.
The vulnerability exists due to incorrect implementation of the P2M lock when obtaining page references. A malicious guest can gain access to sensitive information and escalate privileges on the hypervisor.
Note, the vulnerability affects ARM-based systems.
Affected software
Xen
Debian Linux
Fedora
xen (Debian package)
xen
Debian Linux
Fedora
xen (Debian package)
xen
How to mitigate CVE-2025-58145
Install updates from vendor's website.
xen (Debian package) - addressed in versions 4.17.5+72-g01140da4e8-1, 4.20.2+7-g1badcf5035-0+deb13u1
xen - addressed in versions 4.19.3-3.fc41, 4.19.3-4.fc42, 4.20.1-5.fc43, 4.20.1-6.fc43
xen - addressed in versions 4.19.3-3.fc41, 4.19.3-4.fc42, 4.20.1-5.fc43, 4.20.1-6.fc43