CVE-2025-38109
Description
A flaw was found in the Linux kernel's net/mlx5 component. A local user could exploit a use-after-free vulnerability during the shutdown process when embedded chip virtual function (ECVF) vports are unloaded. This occurs because the vport access control list (ACL) ingress table is not properly destroyed when a virtual function is created on a BlueField device's embedded chip. Successful exploitation of this flaw could lead to a system crash, resulting in a denial of service.
Statement
A use-after-free flaw was found while ECVF vports unload on shutdown code flow in Network Mellanox subsystem in the Linux Kernel. This flaw could allow a special grouped user to crash the system. This vulnerability could even lead to a kernel information leak problem. This flaw is treated as a moderate impact.
Mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
CVSS v3 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 7.3 | 7.8 | N/A |
| Attack Vector | Local | Local | N/A |
| Attack Complexity | Low | Low | N/A |
| Privileges Required | Low | Low | N/A |
| User Interaction | None | None | N/A |
| Scope | Unchanged | Unchanged | N/A |
| Confidentiality | High | High | N/A |
| Integrity Impact | Low | High | N/A |
| Availability Impact | High | High | N/A |
Vector
Red Hat: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
NVD: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
