[CVE-2026-74221] U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_readlink_reply() function in net/nfs-com…

Descripción técnica

U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_readlink_reply() function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader.

Puntuación CVSS

Score: 8.2/10 — Severidad: HIGH — Estado NIST: Received

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Debilidades (CWE)

CWE-195

Fuente oficial

Publicado en NIST NVD.