Most recent entries from all

bdu:2025-12595

certfr-2025-avi-0771 — De multiples vulnérabilités ont été découvertes dans Xen. Certaines d'entre elles permettent à un attaquant de provoque…

certfr-2025-avi-0771

cnvd-2025-21331

EUVD-2026-260043

fkie_cve-2025-58142

[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.

GHSA-mfp8-jpmh-x36j

[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.

SUSE-SU-2025:3797-1 — Security update for xen

Security update for xen

UBUNTU-CVE-2025-58142

Affected: Ubuntu:16.04:LTS: xen, Ubuntu:18.04:LTS: xen, Ubuntu:20.04:LTS: xen, Ubuntu:22.04:LTS: xen, Ubuntu:24.04:LTS: xen, Ubuntu:25.10: xen, Ubuntu:26.04:LTS: xen

[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.

WID-SEC-W-2025-2007 — Xen: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Xen ausnutzenEin Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um einen Denial-of-Service-Angriff durchzuführen, Informationen offenzulegen oder Berechtigungen zu erweitern.