SB2025111297 - Use-after-free in Linux kernel bluetooth
Published: November 12, 2025
Security Bulletin ID
SB2025111297
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-2025-40141)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the iso_sock_kill() function in net/bluetooth/iso.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/5319145a07d8bf5b0782b25cb3115825689d42bb
- https://git.kernel.org/stable/c/80689777919f02328eb873769de4647c9dd3e371
- https://git.kernel.org/stable/c/9950f095d6c875dbe0c9ebfcf972ec88fdf26fc8
- https://git.kernel.org/stable/c/c92ad1a155ccfa38b87bd1d998287e1c0a24248d
- https://git.kernel.org/stable/c/eba6d787ec117a5d2c60f9644e0a39c18542b6be