CVE-2026-29008

A flaw was found in U-Boot. A network-adjacent attacker can exploit an integer underflow vulnerability in the tcprxstatemachine function by sending a specially crafted TCP SYN+ACK packet. This can cause the bootloader to crash, leading to a Denial of Service DoS and preventing the device from...

CVE-2026-29008

U-Boot through 2026.04-rc3 contains an integer underflow vulnerability in the tcprxstatemachine function net/tcp.c that allows a network-adjacent attacker to crash the bootloader by sending a malformed TCP SYN+ACK packet with a manipulated data offset field causing payloadlen to become negative...