Use-after-free in Linux kernel - CVE-2025-38078

 

Use-after-free in Linux kernel - CVE-2025-38078

Published: June 19, 2025


Vulnerability identifier: #VU111460
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-38078
CWE-ID: CWE-416
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 escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the snd_pcm_buffer_access_unlock() function in sound/core/pcm_native.c, within the snd_pcm_oss_change_params_locked() function in sound/core/oss/pcm_oss.c. A local user can escalate privileges on the system.


How to mitigate CVE-2025-38078

Install update from vendor's repository.

Sources