xen: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to...
CVE-2025-58142 is fixed in xen on 1 platform, first by SUSE-SU-2025:03172-1, released September 11, 2025. It is not reported as exploited. Patch Radar priority: Urgent.
[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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| xen · Debian 12.15 (bookworm) | 4.17.5+72-g01140da4e8-1 | DEBIAN-CVE-2025-58142 | Sep 11, 2025 |
| xen · Debian 13.5 (trixie) | 4.20.2+7-g1badcf5035-0+deb13u1 | DEBIAN-CVE-2025-58142 | Sep 11, 2025 |
| xen · Debian 14 | 4.20.2+7-g1badcf5035-1 | DEBIAN-CVE-2025-58142 | Sep 11, 2025 |
| xen · opensuse-leap 15.6 | 4.18.5_08-150600.3.34.2 | SUSE-SU-2026:0012-1 | Jan 5, 2026 |
| xen · sles 15.6 | 4.18.5_08-150600.3.34.2 | SUSE-SU-2026:0012-1 | Jan 5, 2026 |
| xen · sles 15.7 | 4.20.1_04-150700.3.11.1 | SUSE-SU-2025:03172-1 | Sep 11, 2025 |
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