CVE-2025-5791

Users: `root` appended to group listings

Description

A flaw was found in the user's crate for Rust. This vulnerability allows privilege escalation via incorrect group listing when a user or process has fewer than exactly 1024 groups, leading to the erroneous inclusion of the root group in the access list.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.01%
Affected: Red Hat Red Hat Enterprise Linux 10
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat OpenShift Container Platform 4
Affected: Red Hat Red Hat OpenShift Container Platform 4
Affected: Red Hat Red Hat Trusted Profile Analyzer
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2025-5791 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2370001 issue tracking
https://crates.io/crates/users
https://github.com/ogham/rust-users/issues/44
https://rustsec.org/advisories/RUSTSEC-2025-0040.html

Frequently Asked Questions

What is the severity of CVE-2025-5791?
CVE-2025-5791 has been scored as a high severity vulnerability.
How to fix CVE-2025-5791?
To fix CVE-2025-5791, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-5791 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-5791 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-5791?
CVE-2025-5791 affects Red Hat Red Hat Enterprise Linux 10, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat OpenShift Container Platform 4, Red Hat Red Hat OpenShift Container Platform 4, Red Hat Red Hat Trusted Profile Analyzer.
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