Medium severity5.5NVD Advisory· Published Sep 16, 2025· Updated Jun 17, 2026
CVE-2025-39815
CVE-2025-39815
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.
Affected products
3Patches
Vulnerability mechanics
References
3News mentions
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