Memory leak in Linux kernel - CVE-2025-71187

 

Memory leak in Linux kernel - CVE-2025-71187

Published: February 2, 2026


Vulnerability identifier: #VU122205
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-71187
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the rz_dmac_chan_probe(), rz_dmac_parse_of_icu() and rz_dmac_remove() functions in drivers/dma/sh/rz-dmac.c. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2025-71187

Install update from vendor's repository.

Sources