Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: fix stack overrun when loading vlenb The userspace load can put up to 2048 bits into an xlen bit stack buffer. We want only xlen bits, so check the size beforehand.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.8, < 6.12.45 |
References
- https://git.kernel.org/stable/c/6d28659b692a0212f360f8bd8a58712b339f9aacPatch
- https://git.kernel.org/stable/c/799766208f09f95677a9ab111b93872d414fbad7Patch
- https://git.kernel.org/stable/c/c76bf8359188a11f8fd790e5bbd6077894a245ccPatch
FAQ
What is CVE-2025-39815?
CVE-2025-39815 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: fix stack overrun when loading vlenb The userspace load can put up to 2048 bits into an xlen bit stack buffer. We wa...
How severe is CVE-2025-39815?
CVE-2025-39815 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-39815?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.