Resource exhaustion in Universal Boot Loader (U-Boot) - CVE-2024-57257

Vulnerability identifier: #VU105295

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-57257

CWE-ID: CWE-400

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources in the sqfs_size() function. A local user can use a specially crafted squashfs filesystem with deep symlink nesting to trigger resource exhaustion and perform a denial of service (DoS) attack.

Universal Boot Loader (U-Boot)
openEuler
Ubuntu
uboot-tools-help
uboot-images-armv8
uboot-tools-debugsource
uboot-tools-debuginfo
uboot-images-elf
uboot-tools
u-boot (Ubuntu package)

Install updates from vendor's website.

Universal Boot Loader (U-Boot) - update to 2025.01 rc1
uboot-tools-help - addressed in versions 2021.10-9, 2024.01-2
uboot-images-armv8 - addressed in versions 2021.10-9, 2024.01-2
uboot-tools-debugsource - addressed in versions 2021.10-9, 2024.01-2
uboot-tools-debuginfo - addressed in versions 2021.10-9, 2024.01-2
uboot-images-elf - addressed in versions 2021.10-9, 2024.01-2
uboot-tools - addressed in versions 2021.10-9, 2024.01-2
u-boot (Ubuntu package) - addressed in versions 2022.01+dfsg-2ubuntu2.7, 2025.10-0ubuntu0.24.04.2

• https://source.denx.de/u-boot/u-boot/-/commit/4f5cc096bfd0a591f8a11e86999e3d90a9484c34
• https://www.openwall.com/lists/oss-security/2025/02/17/2

• Multiple vulnerabilities in U-Boot
• openEuler 24.03 LTS SP1 update for uboot-tools
• openEuler 24.03 LTS update for uboot-tools
• openEuler 22.03 LTS SP4 update for uboot-tools
• openEuler 22.03 LTS SP3 update for uboot-tools
• Ubuntu update for u-boot