This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page.
View CVE-2024-57256 →
UBUNTU-CVE-2024-57256
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 file...
Original description
The description as published by the source.
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 and resultant memory overwrite.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Ubuntu:Pro:16.04:LTS
u-boot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:18.04:LTS
u-boot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:20.04:LTS
u-boot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS
u-boot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2022.01+dfsg-2ubuntu2.7"}]}]
Ubuntu:22.04:LTS
u-boot-nezha
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS
u-boot
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2025.10-0ubuntu0.24.04.2"}]}]
Ubuntu:24.04:LTS
u-boot-nezha
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- advisory ubuntu.com
- report ubuntu.com
- report cve.org
- report openwall.com