CVE-2026-23289

kernel: IB/mthca: Add missed mthca_unmap_user_db() for mthca_create_srq()

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · March 25, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's IB/mthca component. A local user could exploit this vulnerability by triggering a system call failure path related to the mthca_create_srq() function. This oversight leads to a missed unmapping of user database resources, resulting in a resource leak.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-772 · Missing Release of Resource after Effective Lifetime