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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-74220

U-Boot before 2026.10-rc5 Buffer Overflow via NFS READ Reply

Description

U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_read_reply() function in net/nfs-common.c that allows attackers to corrupt memory by supplying crafted NFS READ reply lengths. A malicious NFS server can exploit signed integer handling to bypass length validation and write far past the destination buffer, crashing the bootloader or corrupting memory.

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