Medium severity · published Feb 18, 2025
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…
6.8
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UB
U-boot · Denx
through 2024.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-57256
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-57256
Patch
https://source.denx.de/u-boot/u-boot/-/commit/35f75d2a46e5859138c83a75cd2f4141c5479ab9
Mailing List
https://www.openwall.com/lists/oss-security/2025/02/17/2
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/05/msg00001.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-577017.html
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