Heap Buffer Overread Vulnerability in util-linux by Red Hat
CVE-2025-14104

6.1MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
5 December 2025

What is CVE-2025-14104?

A vulnerability exists in the util-linux package, specifically within the setpwnam() function. This flaw allows for a heap buffer overread when processing usernames that are 256 bytes long. It affects the SUID (Set User ID) login-utils utilities that interact with the password database, potentially exposing sensitive information and posing a risk to system integrity.

References

https://access.redhat.com/security/cve/CVE-2025-14104
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2419369
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.
CVE-2025-14104 : Heap Buffer Overread Vulnerability in util-linux by Red Hat