Integer overflow in Universal Boot Loader (U-Boot) - CVE-2024-57256

Vulnerability identifier: #VU105267

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-57256

CWE-ID: CWE-190

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow within the ext4fs_read_symlink() function. A local user can use a specially crafted ext4 filesystem to trigger an integer overflow and execute arbitrary code with elevated privileges.

Universal Boot Loader (U-Boot)
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Micro
Basesystem Module
openSUSE Leap
openEuler
Ubuntu
Fedora
u-boot-xilinxzynqmpgeneric
u-boot-xilinxzynqmpgeneric-doc
uboot-images-elf
uboot-tools-debuginfo
uboot-tools-debugsource
uboot-images-armv8
uboot-tools-help
uboot-tools
u-boot-rpi4-doc
u-boot-rock960-rk3399
u-boot-nanopia64
u-boot-libretech-ac-doc
u-boot-xilinxzynqmpvirt-doc
u-boot-libretech-cc
u-boot-khadas-vim2-doc
u-boot-mvebudb-88f3720-doc
u-boot-xilinxzynqmpvirt
u-boot-poplar
u-boot-ls1012afrdmqspi-doc
u-boot-orangepipc2-doc
u-boot-nanopia64-doc
u-boot-firefly-rk3399-doc
u-boot-pine64plus-doc
u-boot-rock-pi-4-rk3399
u-boot-rock-pi-4-rk3399-doc
u-boot-hikey
u-boot-tools
u-boot-pineh64-doc
u-boot-geekbox
u-boot-tools-debuginfo
u-boot-odroid-c2
u-boot-mvebudbarmada8k
u-boot-poplar-doc
u-boot-rock960-rk3399-doc
u-boot-rpiarm64
u-boot-firefly-rk3399
u-boot-rpi4
u-boot-orangepipc2
u-boot-rock64-rk3328
u-boot-rock64-rk3328-doc
u-boot-p3450-0000
u-boot-avnetultra96rev1-doc
u-boot-rockpro64-rk3399
u-boot-khadas-vim-doc
u-boot-khadas-vim2
u-boot-rpi3-doc
u-boot-rpiarm64-doc
u-boot-p2371-2180
u-boot-hikey-doc
u-boot-mvebuespressobin-88f3720-doc
u-boot-pineh64
u-boot-odroid-n2-doc
u-boot-ls1012afrdmqspi
u-boot-dragonboard820c
u-boot-evb-rk3399-doc
u-boot-p3450-0000-doc
u-boot-pinebook
u-boot-odroid-c4
u-boot-dragonboard410c-doc
u-boot-dragonboard820c-doc
u-boot-odroid-c2-doc
u-boot-p2771-0000-500
u-boot-dragonboard410c
u-boot-khadas-vim
u-boot-odroid-n2
u-boot-pinebook-pro-rk3399-doc
u-boot-xilinxzynqmpzcu102rev10-doc
u-boot-mvebuespressobin-88f3720
u-boot-bananapim64-doc
u-boot-libretech-ac
u-boot-libretech-cc-doc
u-boot-evb-rk3399
u-boot-p2371-2180-doc
u-boot-pinebook-pro-rk3399
u-boot-pinephone
u-boot-rpi3
u-boot-pinebook-doc
u-boot-xilinxzynqmpzcu102rev10
u-boot-rockpro64-rk3399-doc
u-boot-p2771-0000-500-doc
u-boot-mvebumcbin-88f8040-doc
u-boot-mvebumcbin-88f8040
u-boot-mvebudbarmada8k-doc
u-boot-pinephone-doc
u-boot-bananapim64
u-boot-odroid-c4-doc
u-boot-mvebudb-88f3720
u-boot-avnetultra96rev1
u-boot-pine64plus
u-boot-geekbox-doc
u-boot-rock-pi-n10-rk3399pro
u-boot-rock-pi-n10-rk3399pro-doc
u-boot (Ubuntu package)

Install updates from vendor's website.

Universal Boot Loader (U-Boot) - update to 2025.01 rc1
u-boot-xilinxzynqmpgeneric - update to 2020.01-150200.10.18.1
u-boot-xilinxzynqmpgeneric-doc - update to 2020.01-150200.10.18.1
uboot-images-elf - addressed in versions 2020.07-9, 2021.10-9, 2024.01-2
uboot-tools-debuginfo - addressed in versions 2020.07-9, 2021.10-9, 2024.01-2
uboot-tools-debugsource - addressed in versions 2020.07-9, 2021.10-9, 2024.01-2
uboot-images-armv8 - addressed in versions 2020.07-9, 2021.10-9, 2024.01-2
uboot-tools-help - addressed in versions 2020.07-9, 2021.10-9, 2024.01-2
uboot-tools - addressed in versions 2020.07-9, 2021.10-9, 2024.01-2
u-boot-rpi4-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rock960-rk3399 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-nanopia64 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-libretech-ac-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-xilinxzynqmpvirt-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-libretech-cc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-khadas-vim2-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-mvebudb-88f3720-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-xilinxzynqmpvirt - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-poplar - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-ls1012afrdmqspi-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-orangepipc2-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-nanopia64-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-firefly-rk3399-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-pine64plus-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rock-pi-4-rk3399 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rock-pi-4-rk3399-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-hikey - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-tools - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-pineh64-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-geekbox - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-tools-debuginfo - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-odroid-c2 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-mvebudbarmada8k - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-poplar-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rock960-rk3399-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rpiarm64 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-firefly-rk3399 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rpi4 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-orangepipc2 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rock64-rk3328 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rock64-rk3328-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-p3450-0000 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-avnetultra96rev1-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rockpro64-rk3399 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-khadas-vim-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-khadas-vim2 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rpi3-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rpiarm64-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-p2371-2180 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-hikey-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-mvebuespressobin-88f3720-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-pineh64 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-odroid-n2-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-ls1012afrdmqspi - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-dragonboard820c - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-evb-rk3399-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-p3450-0000-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-pinebook - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-odroid-c4 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-dragonboard410c-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-dragonboard820c-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-odroid-c2-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-p2771-0000-500 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-dragonboard410c - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-khadas-vim - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-odroid-n2 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-pinebook-pro-rk3399-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-xilinxzynqmpzcu102rev10-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-mvebuespressobin-88f3720 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-bananapim64-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-libretech-ac - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-libretech-cc-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-evb-rk3399 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-p2371-2180-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-pinebook-pro-rk3399 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-pinephone - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rpi3 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-pinebook-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-xilinxzynqmpzcu102rev10 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rockpro64-rk3399-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-p2771-0000-500-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-mvebumcbin-88f8040-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-mvebumcbin-88f8040 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-mvebudbarmada8k-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-pinephone-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-bananapim64 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-odroid-c4-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-mvebudb-88f3720 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-avnetultra96rev1 - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-pine64plus - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-geekbox-doc - addressed in versions 2021.01-150300.7.24.1, 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rock-pi-n10-rk3399pro - addressed in versions 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot-rock-pi-n10-rk3399pro-doc - addressed in versions 2021.10-150400.4.14.1, 2021.10-150600.11.3.1
u-boot (Ubuntu package) - addressed in versions 2022.01+dfsg-2ubuntu2.7, 2025.10-0ubuntu0.24.04.2
uboot-tools - update to 2025.04-1.fc42

• https://source.denx.de/u-boot/u-boot/-/commit/35f75d2a46e5859138c83a75cd2f4141c5479ab9
• https://www.openwall.com/lists/oss-security/2025/02/17/2

• Multiple vulnerabilities in U-Boot
• openEuler 20.03 LTS SP4 update for uboot-tools
• 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
• SUSE update for u-boot
• SUSE update for u-boot
• SUSE update for u-boot
• SUSE update for u-boot
• Fedora 42 update for uboot-tools
• Ubuntu update for u-boot