PT-2025-37960 · Kvm+6 · Kvm+6

CVE-2025-39815

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Publicado

2025-08-05

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Atualizado

2026-08-30

CVSS v3.1

7.8

Alta

VetorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A stack overrun issue was resolved in the Linux kernel related to KVM on RISC-V architectures when loading vlenb. A userspace load could potentially place up to 2048 bits into a stack buffer designed for xlen bits, leading to a stack overrun.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

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Enumeração de Fraquezas

Identificadores relacionados

BDU:2025-15256
CVE-2025-39815
DSA-6008-1
USN-8095-1
USN-8095-2
USN-8095-3
USN-8095-4
USN-8095-5
USN-8100-1
USN-8125-1
USN-8126-1
USN-8165-1
USN-8261-1

Produtos afetados

Astra Linux
Kvm
Linuxmint
Linux Kernel
Risc-V
Red Os
Ubuntu