CVE-2025-58150
Out-of-bounds write in per-CPU tracing vars allows guest-controlled data to overflow.
Is CVE-2025-58150 being exploited?
Not confirmed. CVE-2025-58150 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.13% probability of exploitation in the next 30 days.
How severe is CVE-2025-58150?
CVE-2025-58150 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2025-58150?
Yes. A fix has been recorded for CVE-2025-58150. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What should I do about CVE-2025-58150?
Monitor for updates; apply patch when available; disable tracing feature if feasible.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Guest can write beyond bounds in tracing vars, risking kernel crash or potential code execution.
Patch when possible
- affectedconsult Xen advisory XSA-477
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.