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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-74221

U-Boot before 2026.10-rc5 Buffer Overflow via NFS READLINK

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

u-boot u-boot

Default version status: unaffected

  • 0 to < 2026.10-rc5affected
pkg:github/u-boot/u-boot

References