Critical · published September 11, 2025
🔥 A sneaky NULL pointer dereference could lead to a serious issue while handling synthetic timer messages in Viridian! Think of it as a restaurant that assumes a table is set before serving a meal — if the table isn't there, everything goes haywire! This vulnerability can cause failures in guest memory management, leading to instability. An attacker could exploit this vulnerability to cause unexpected behavior in the system, potentially crashing the guest environment or even worse, leading to data loss. With a CVSS score of 9.8, the stakes are high, and the consequences could be absolutely devastating!
Think of it as a restaurant that assumes a table is set before serving a meal — if the table isn't there, everything goes haywire! This vulnerability can cause failures in guest memory management, leading to instability. CVE-2025-58142 is a NULL pointer dereference that occurs when the system assumes the SIM page is properly mapped during the delivery of timer messages. This oversight can lead to critical system failures.
An attacker could exploit this vulnerability to cause unexpected behavior in the system, potentially crashing the guest environment or even worse, leading to data loss. With a CVSS score of 9.8, the stakes are high, and the consequences could be absolutely devastating! To mitigate this vulnerability, ensure you're running the latest patches and updates for your virtualization environment. Regularly audit your configurations and consider implementing more thorough checking of memory mappings to prevent such issues. Don't delay! You've got this! With the right actions, you can fortify your defenses and keep your systems running smoothly! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| xen/xen | ≥ 4.13.0, < 4.17.0 | 4.17.0 |