SB2026011405 - Use-after-free in Linux kernel bluetooth driver
Published: January 14, 2026
Security Bulletin ID
SB2026011405
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-2025-71082)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the btusb_probe() and btusb_disconnect() functions in drivers/bluetooth/btusb.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1e54c19eaf84ba652c4e376571093e58e144b339
- https://git.kernel.org/stable/c/252714f1e8bdd542025b16321c790458014d6880
- https://git.kernel.org/stable/c/c0ecb3e4451fe94f4315e6d09c4046dfbc42090b
- https://git.kernel.org/stable/c/cca0e9206e3bcc63cd3e72193e60149165d493cc
- https://git.kernel.org/stable/c/fdf7c640fb8a44a59b0671143d8c2f738bc48003