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CVE-2026-53141

kernel: drm/v3d: Fix global performance monitor reference counting

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · June 25, 2026

Updated · October 30, 2026

Description

A flaw was found in the Linux kernel's Broadcom V3D graphics driver. Improper reference counting during global performance monitor management fails to release object references on error and cleanup paths. A local user could exploit this flaw by issuing specific requests through the Direct Rendering Manager (DRM) interface, causing memory leaks that may result in a Denial of Service (DoS).

Statement

This vulnerability is evaluated with a Moderate impact because exploitation is restricted to local users interacting with the Direct Rendering Manager (DRM) interface, limiting the blast radius to a denial of service through memory leaks rather than arbitrary code execution. Red Hat Enterprise Linux environments are not affected by this flaw, as the vulnerable subsystem code introduced in newer upstream kernels is absent from all supported releases. Additionally, the Broadcom V3D driver targets specific embedded graphics hardware not typically deployed across enterprise server installations.

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-911 · Improper Update of Reference Count