U Boot
by U Boot
Source repositories
CVEs (58)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2024-57255 | Hig | 0.46 | 7.1 | 0.00 | Feb 18, 2025 | An integer overflow in sqfs_resolve_symlink in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with an inode size of 0xffffffff, resulting in a malloc of zero and resultant memory overwrite. | ||
| CVE-2024-57254 | Hig | 0.46 | 7.1 | 0.00 | Feb 18, 2025 | An integer overflow in sqfs_inode_size in Das U-Boot before 2025.01-rc1 occurs in the symlink size calculation via a crafted squashfs filesystem. | ||
| CVE-2018-3968 | Hig | 0.46 | 7.0 | 0.00 | Mar 21, 2019 | An exploitable vulnerability exists in the verified boot protection of the Das U-Boot from version 2013.07-rc1 to 2014.07-rc2. The affected versions lack proper FIT signature enforcement, which allows an attacker to bypass U-Boot's verified boot and execute an unsigned kernel,… | ||
| CVE-2025-36938 | Med | 0.44 | 6.8 | 0.00 | Dec 11, 2025 | In U-Boot of append_uint32_le(), there is a possible fault injection due to a logic error in the code. This could lead to physical escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. | ||
| CVE-2026-29008 | Hig | 0.42 | 7.5 | 0.01 | Jul 8, 2026 | U-Boot through 2026.04-rc3 contains an integer underflow vulnerability in the tcp_rx_state_machine() 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… | ||
| CVE-2017-3226 | Med | 0.42 | 6.4 | 0.00 | Jul 24, 2018 | Das U-Boot is a device bootloader that can read its configuration from an AES encrypted file. Devices that make use of Das U-Boot's AES-CBC encryption feature using environment encryption (i.e., setting the configuration parameter CONFIG_ENV_AES=y) read environment variables… | ||
| CVE-2026-74225 | Hig | 0.39 | 7.1 | 0.00 | Sep 29, 2026 | U-Boot before 2026.10-rc5 contains out-of-bounds memory access in dhcp6_parse_options() that fails to validate SERVERID and CLIENTID option lengths from DHCPv6 packets. Attackers on the local network can send crafted DHCPv6 ADVERTISE or REPLY packets during netboot to corrupt… | ||
| CVE-2019-13103 | Hig | 0.39 | 7.1 | 0.00 | Jul 29, 2019 | A crafted self-referential DOS partition table will cause all Das U-Boot versions through 2019.07-rc4 to infinitely recurse, causing the stack to grow infinitely and eventually either crash or overwrite other data. | ||
| CVE-2019-11690 | Med | 0.38 | 5.9 | 0.01 | May 3, 2019 | gen_rand_uuid in lib/uuid.c in Das U-Boot v2014.04 through v2019.04 lacks an srand call, which allows attackers to determine UUID values in scenarios where CONFIG_RANDOM_UUID is enabled, and Das U-Boot is relied upon for UUID values of a GUID Partition Table of a boot device. | ||
| CVE-2022-30552 | Med | 0.36 | 5.5 | 0.00 | Jun 8, 2022 | Das U-Boot 2022.01 has a Buffer Overflow. | ||
| CVE-2018-1000205 | Med | 0.36 | 5.5 | 0.01 | Jun 26, 2018 | U-Boot contains a CWE-20: Improper Input Validation vulnerability in Verified boot signature validation that can result in Bypass verified boot. This attack appear to be exploitable via Specially crafted FIT image and special device memory functionality. | ||
| CVE-2026-71972 | Med | 0.31 | 5.9 | 0.00 | Sep 29, 2026 | U-Boot through 2026.10-rc5 contains an out-of-bounds write vulnerability in the video_display_rle8_bitmap function in drivers/video/video_bmp.c. Attackers can supply a crafted RLE8-compressed BMP image to corrupt memory adjacent to the framebuffer and crash the bootloader. | ||
| CVE-2017-3225 | Med | 0.30 | 4.6 | 0.00 | Jul 24, 2018 | Das U-Boot is a device bootloader that can read its configuration from an AES encrypted file. For devices utilizing this environment encryption mode, U-Boot's use of a zero initialization vector may allow attacks against the underlying cryptographic implementation and allow an… | ||
| CVE-2026-71973 | Med | 0.27 | 5.2 | 0.00 | Sep 29, 2026 | U-Boot before 2026.10-rc4 contains an integer overflow vulnerability in sqfs_read_directory_table() function when allocating the directory table buffer. Attackers can supply a crafted SquashFS image with an attacker-controlled superblock metablks_count value that causes heap… | ||
| CVE-2026-29007 | Med | 0.27 | 5.3 | 0.01 | Jul 8, 2026 | 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… | ||
| CVE-2026-71974 | Med | 0.24 | 4.8 | 0.00 | Sep 29, 2026 | U-Boot before 2026.10-rc3 contains an out-of-bounds write vulnerability in read_slotted_partition() that fails to validate image size against partition bounds. Attackers with physical access can supply crafted boot media with oversized headers to write past the load buffer into… | ||
| CVE-2024-57257 | Low | 0.13 | 2.0 | 0.00 | Feb 18, 2025 | A stack consumption issue in sqfs_size in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with deep symlink nesting. | ||
| CVE-2022-30767 | Cri | 0.00 | 9.8 | 0.03 | May 16, 2022 | nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow. NOTE: this issue exists because of an incorrect fix for CVE-2019-14196. |
- risk 0.46cvss 7.1epss 0.00
An integer overflow in sqfs_resolve_symlink in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with an inode size of 0xffffffff, resulting in a malloc of zero and resultant memory overwrite.
- risk 0.46cvss 7.1epss 0.00
An integer overflow in sqfs_inode_size in Das U-Boot before 2025.01-rc1 occurs in the symlink size calculation via a crafted squashfs filesystem.
- risk 0.46cvss 7.0epss 0.00
An exploitable vulnerability exists in the verified boot protection of the Das U-Boot from version 2013.07-rc1 to 2014.07-rc2. The affected versions lack proper FIT signature enforcement, which allows an attacker to bypass U-Boot's verified boot and execute an unsigned kernel,…
- risk 0.44cvss 6.8epss 0.00
In U-Boot of append_uint32_le(), there is a possible fault injection due to a logic error in the code. This could lead to physical escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- risk 0.42cvss 7.5epss 0.01
U-Boot through 2026.04-rc3 contains an integer underflow vulnerability in the tcp_rx_state_machine() 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…
- risk 0.42cvss 6.4epss 0.00
Das U-Boot is a device bootloader that can read its configuration from an AES encrypted file. Devices that make use of Das U-Boot's AES-CBC encryption feature using environment encryption (i.e., setting the configuration parameter CONFIG_ENV_AES=y) read environment variables…
- risk 0.39cvss 7.1epss 0.00
U-Boot before 2026.10-rc5 contains out-of-bounds memory access in dhcp6_parse_options() that fails to validate SERVERID and CLIENTID option lengths from DHCPv6 packets. Attackers on the local network can send crafted DHCPv6 ADVERTISE or REPLY packets during netboot to corrupt…
- risk 0.39cvss 7.1epss 0.00
A crafted self-referential DOS partition table will cause all Das U-Boot versions through 2019.07-rc4 to infinitely recurse, causing the stack to grow infinitely and eventually either crash or overwrite other data.
- risk 0.38cvss 5.9epss 0.01
gen_rand_uuid in lib/uuid.c in Das U-Boot v2014.04 through v2019.04 lacks an srand call, which allows attackers to determine UUID values in scenarios where CONFIG_RANDOM_UUID is enabled, and Das U-Boot is relied upon for UUID values of a GUID Partition Table of a boot device.
- risk 0.36cvss 5.5epss 0.00
Das U-Boot 2022.01 has a Buffer Overflow.
- risk 0.36cvss 5.5epss 0.01
U-Boot contains a CWE-20: Improper Input Validation vulnerability in Verified boot signature validation that can result in Bypass verified boot. This attack appear to be exploitable via Specially crafted FIT image and special device memory functionality.
- risk 0.31cvss 5.9epss 0.00
U-Boot through 2026.10-rc5 contains an out-of-bounds write vulnerability in the video_display_rle8_bitmap function in drivers/video/video_bmp.c. Attackers can supply a crafted RLE8-compressed BMP image to corrupt memory adjacent to the framebuffer and crash the bootloader.
- risk 0.30cvss 4.6epss 0.00
Das U-Boot is a device bootloader that can read its configuration from an AES encrypted file. For devices utilizing this environment encryption mode, U-Boot's use of a zero initialization vector may allow attacks against the underlying cryptographic implementation and allow an…
- risk 0.27cvss 5.2epss 0.00
U-Boot before 2026.10-rc4 contains an integer overflow vulnerability in sqfs_read_directory_table() function when allocating the directory table buffer. Attackers can supply a crafted SquashFS image with an attacker-controlled superblock metablks_count value that causes heap…
- risk 0.27cvss 5.3epss 0.01
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…
- risk 0.24cvss 4.8epss 0.00
U-Boot before 2026.10-rc3 contains an out-of-bounds write vulnerability in read_slotted_partition() that fails to validate image size against partition bounds. Attackers with physical access can supply crafted boot media with oversized headers to write past the load buffer into…
- risk 0.13cvss 2.0epss 0.00
A stack consumption issue in sqfs_size in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with deep symlink nesting.
- risk 0.00cvss 9.8epss 0.03
nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow. NOTE: this issue exists because of an incorrect fix for CVE-2019-14196.
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