Priority MEDIUM 45
U-Boot before 2026.07-rc2 contains a buffer overflow vulnerability in nfs_readlink_reply() (net/nfs-common.c) when CONFIG_CMD_NFS is enabled, allowing a malicious or compromised NFS server to overflow the 2048-byte nfs_p…
CVSS 4.0HIGH 8.8· Network · No auth · No interaction · EPSS 0.0074 · Published 2026-07-08 · Fixed in 2026.07-rc2 CWE-120
Priority MEDIUM 45
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…
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00706 · Published 2026-07-08 · No fix listed CWE-191
Priority LOW 38
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…
CVSS 4.0MEDIUM 6.9· Network · No auth · No interaction · EPSS 0.00669 · Published 2026-07-08 · No fix listed CWE-125
Priority LOW 39
Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.
CVSS 3.1HIGH 8.8· Local · Low privileges · No interaction · EPSS 0.00212 · Published 2026-05-16 · Fixed in 2026.04 CWE-346
Priority LOW 35
Improper access control for volatile memory containing boot code in Universal Boot Loader (U-Boot) before 2017.11 and Qualcomm chips IPQ4019, IPQ5018, IPQ5322, IPQ6018, IPQ8064, IPQ8074, and IPQ9574 could allow an attack…
CVSS 3.1HIGH 7.6· Physical · No auth · No interaction · EPSS 0.00269 · Published 2025-12-10 · No fix listed CWE-284
Priority MEDIUM 64
A lack of signature verification in the bootloader of DENX Software Engineering Das U-Boot (U-Boot) v1.1.3 allows attackers to install crafted firmware files, leading to arbitrary code execution.
CVSS 3.1MEDIUM 6.5· Network · No auth · No interaction · EPSS 0.00385 · Published 2025-08-05 · No fix listed CWE-77
Priority LOW 33
sqfs_search_dir in Das U-Boot before 2025.01-rc1 exhibits an off-by-one error and resultant heap memory corruption for squashfs directory listing because the path separator is not considered in a size calculation.
CVSS 3.1HIGH 7.1· Physical · No auth · No interaction · EPSS 0.00367 · Published 2025-02-18 · Fixed in 2025.01-rc1 CWE-193
Priority LOW 36
Integer overflows in memory allocation in Das U-Boot before 2025.01-rc1 occur for a crafted squashfs filesystem via sbrk, via request2size, or because ptrdiff_t is mishandled on x86_64.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00246 · Published 2025-02-18 · Fixed in 2025.01-rc1 CWE-190
Priority LOW 12
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.
CVSS 3.1LOW 2.4· Physical · No auth · No interaction · EPSS 0.00315 · Published 2025-02-18 · Fixed in 2025.01-rc1 CWE-674
Priority LOW 33
An integer overflow in ext4fs_read_symlink in Das U-Boot before 2025.01-rc1 occurs for zalloc (adding one to an le32 variable) via a crafted ext4 filesystem with an inode size of 0xffffffff, resulting in a malloc of zero…
CVSS 3.1HIGH 7.1· Physical · No auth · No interaction · EPSS 0.00374 · Published 2025-02-18 · Fixed in 2025.01-rc1 CWE-190
Priority LOW 33
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.
CVSS 3.1HIGH 7.1· Physical · No auth · No interaction · EPSS 0.00369 · Published 2025-02-18 · Fixed in 2025.01-rc1 CWE-190
Priority LOW 33
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.
CVSS 3.1HIGH 7.1· Physical · No auth · No interaction · EPSS 0.00369 · Published 2025-02-18 · Fixed in 2025.01-rc1 CWE-190
Priority LOW 36
Buffer Overflow vulnerability in the net/bootp.c in DENEX U-Boot from its initial commit in 2002 (3861aa5) up to today on any platform allows an attacker on the local network to leak memory from four up to 32 bytes of me…
CVSS 3.1HIGH 8.1· Adjacent network · No auth · No interaction · EPSS 0.00598 · Published 2024-08-23 · No fix listed CWE-120
Priority HIGH 69
There exists an unchecked length field in UBoot.
CVSS 3.1HIGH 7.7· Local · No auth · User interaction · EPSS 0.00577 · Published 2022-09-23 · No fix listed CWE-122
Priority LOW 35
squashfs filesystem implementation of U-Boot versions from v2020.10-rc2 to v2022.07-rc5 contains a heap-based buffer overflow vulnerability due to a defect in the metadata reading process.
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.00558 · Published 2022-07-20 · No fix listed CWE-787
Priority LOW 34
Das U-Boot from v2020.10 to v2022.07-rc3 was discovered to contain an out-of-bounds write via the function sqfs_readdir().
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00459 · Published 2022-07-01 · No fix listed CWE-787
Priority MEDIUM 46
In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md" command enables the corruption of the return address pointer of the do_i2c_md function.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.023 · Published 2022-06-29 · No fix listed CWE-787
Priority LOW 25
Das U-Boot 2022.01 has a Buffer Overflow.
CVSS 3.1MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00451 · Published 2022-06-08 · No fix listed CWE-120
Priority LOW 35
Das U-Boot 2022.01 has a Buffer Overflow, a different issue than CVE-2022-30552.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.0057 · Published 2022-06-08 · No fix listed CWE-787
Priority MEDIUM 47
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.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02731 · Published 2022-05-16 · No fix listed CWE-120
Priority LOW 36
The boot loader in Das U-Boot before 2021.04-rc2 mishandles use of unit addresses in a FIT.
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.01104 · Published 2021-02-17 · No fix listed
Priority LOW 36
The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT.
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.01068 · Published 2021-02-17 · No fix listed
Priority LOW 37
Das U-Boot through 2020.01 allows attackers to bypass verified boot restrictions and subsequently boot arbitrary images by providing a crafted FIT image to a system configured to boot the default configuration.
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.01401 · Published 2020-03-19 · No fix listed CWE-20
Priority MEDIUM 48
In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03065 · Published 2020-01-29 · No fix listed CWE-415
Priority LOW 38
Das U-Boot versions 2016.09 through 2019.07-rc4 can memset() too much data while reading a crafted ext4 filesystem, which results in a stack buffer overflow and likely code execution.
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.01764 · Published 2019-08-06 · No fix listed CWE-787
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