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CVE-2025-38546

kernel: Linux kernel: Memory leak in ATM clip module can lead to denial of service

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · August 16, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel's Asynchronous Transfer Mode (ATM) clip module. A local user could exploit this by making specific ioctl calls, which incorrectly handle the vcc->push() function. This improper handling leads to a memory leak of struct clip_vcc objects. Repeated exploitation of this vulnerability could result in memory exhaustion, causing a Denial of Service (DoS) on the system.

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