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CVE-2026-29007

Опубликовано: 08 июл. 2026
Источник: nvd
CVSS3: 5.3
EPSS Низкий

Описание

U-Boot through 2026.04-rc3 contains an out-of-bounds read vulnerability in tcp_rx_state_machine() (net/tcp.c) when CONFIG_PROT_TCP is enabled, allowing remote attackers to read beyond TCP segment boundaries by crafting a malicious packet with a mismatched IP total length and TCP data offset field. Attackers can send a packet with an IP total length of 40 bytes and a TCP data offset claiming 60 bytes of header to cause tcp_parse_options() to read 40 bytes past the end of the TCP segment, potentially corrupting connection state variables such as rmt_win_scale and rmt_timestamp to disrupt TCP window calculations.

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*
Версия до 2026.04 (исключая)
cpe:2.3:a:denx:u-boot:2026.04:rc1:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2026.04:rc2:*:*:*:*:*:*
cpe:2.3:a:denx:u-boot:2026.04:rc3:*:*:*:*:*:*

EPSS

Процентиль: 43%
0.00548
Низкий

5.3 Medium

CVSS3

Дефекты

CWE-125

Связанные уязвимости

CVSS3: 5.3
ubuntu
около 1 месяца назад

U-Boot through 2026.04-rc3 contains an out-of-bounds read vulnerability in tcp_rx_state_machine() (net/tcp.c) when CONFIG_PROT_TCP is enabled, allowing remote attackers to read beyond TCP segment boundaries by crafting a malicious packet with a mismatched IP total length and TCP data offset field. Attackers can send a packet with an IP total length of 40 bytes and a TCP data offset claiming 60 bytes of header to cause tcp_parse_options() to read 40 bytes past the end of the TCP segment, potentially corrupting connection state variables such as rmt_win_scale and rmt_timestamp to disrupt TCP window calculations.

CVSS3: 5.3
redhat
около 1 месяца назад

U-Boot through 2026.04-rc3 contains an out-of-bounds read vulnerability in tcp_rx_state_machine() (net/tcp.c) when CONFIG_PROT_TCP is enabled, allowing remote attackers to read beyond TCP segment boundaries by crafting a malicious packet with a mismatched IP total length and TCP data offset field. Attackers can send a packet with an IP total length of 40 bytes and a TCP data offset claiming 60 bytes of header to cause tcp_parse_options() to read 40 bytes past the end of the TCP segment, potentially corrupting connection state variables such as rmt_win_scale and rmt_timestamp to disrupt TCP window calculations.

CVSS3: 5.3
debian
около 1 месяца назад

U-Boot through 2026.04-rc3 contains an out-of-bounds read vulnerabilit ...

CVSS3: 5.3
github
около 1 месяца назад

U-Boot through 2026.04-rc3 contains an out-of-bounds read vulnerability in tcp_rx_state_machine() (net/tcp.c) when CONFIG_PROT_TCP is enabled, allowing remote attackers to read beyond TCP segment boundaries by crafting a malicious packet with a mismatched IP total length and TCP data offset field. Attackers can send a packet with an IP total length of 40 bytes and a TCP data offset claiming 60 bytes of header to cause tcp_parse_options() to read 40 bytes past the end of the TCP segment, potentially corrupting connection state variables such as rmt_win_scale and rmt_timestamp to disrupt TCP window calculations.

EPSS

Процентиль: 43%
0.00548
Низкий

5.3 Medium

CVSS3

Дефекты

CWE-125