SB20250619182 - Use-after-free in Linux kernel sound
Published: June 19, 2025
Security Bulletin ID
SB20250619182
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-38078)
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.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/10217da9644ae75cea7330f902c35fc5ba78bbbf
- https://git.kernel.org/stable/c/74d90875f3d43f3eff0e9861c4701418795d3455
- https://git.kernel.org/stable/c/8170d8ec4efd0be352c14cb61f374e30fb0c2a25
- https://git.kernel.org/stable/c/93a81ca0657758b607c3f4ba889ae806be9beb73
- https://git.kernel.org/stable/c/afa56c960fcb4db37f2e3399f28e9402e4e1f470
- https://git.kernel.org/stable/c/bf85e49aaf3a3c5775ea87369ea5f159c2148db4
- https://git.kernel.org/stable/c/c0e05a76fc727929524ef24a19c302e6dd40233f
- https://git.kernel.org/stable/c/f3e14d706ec18faf19f5a6e75060e140fea05d4a