Memory leak in Linux kernel - CVE-2025-37941

Vulnerability identifier: #VU109494

CSH Severity: Low

CVSS v4: 6.8 [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]

CVE-ID: CVE-2025-37941

CWE-ID: CWE-401

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to memory leak within the wcd937x_soc_codec_probe() function in sound/soc/codecs/wcd937x.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-azure (Ubuntu package)
linux-aws (Ubuntu package)

Install update from vendor's website.

Linux kernel - update to 6.13.12
linux (Ubuntu package) - addressed in versions 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-azure (Ubuntu package) - update to 6.14.0-1007.7
linux-aws (Ubuntu package) - addressed in versions 6.14.0-1007.7, 6.14.0-1007.7+1

• https://git.kernel.org/stable/c/3e330acf4efd63876d673c046cd073a1d4ed57a8
• https://git.kernel.org/stable/c/aafb5325aca3e806b3ea3707402189263473d257
• https://git.kernel.org/stable/c/acadb2e2b3c5b9977a843a3a94fece9bdcf6aea1
• https://git.kernel.org/stable/c/b573e04116fd33b9143fa276bbab2f0afad0a1ae
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.12

• Memory leak in Linux kernel soc codecs
• Ubuntu update for linux
• Ubuntu update for linux-azure
• Ubuntu update for linux-aws