VulnerabilityModified
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 filesystem with an inode size of 0xffffffff, resulting in a malloc of zero and resultant memory overwrite.
MEDIUM 6.8EPSS 0.37%
Does this matter?
Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 6.8 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.37% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- denx/u-boot
- Source
- cve@mitre.org
References
- https://source.denx.de/u-boot/u-boot/-/commit/35f75d2a46e5859138c83a75cd2f4141c5479ab9Patch
- https://www.openwall.com/lists/oss-security/2025/02/17/2Mailing List, Mitigation, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html
- https://cert-portal.siemens.com/productcert/html/ssa-577017.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.