SB20250226234 - Use-after-free in Linux kernel bluetooth
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226234
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-2022-49474)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the sco_sock_connect() function in net/bluetooth/sco.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/36c644c63bfcaee2d3a426f45e89a9cd09799318
- https://git.kernel.org/stable/c/390d82733a953c1fabf3de9c9618091a7a9c90a6
- https://git.kernel.org/stable/c/537f619dea4e3fa8ed1f8f938abffe3615794bcc
- https://git.kernel.org/stable/c/65d347cb39e2e6bd0c2a745ad7c928998ebb0162
- https://git.kernel.org/stable/c/6f55fac0af3531cf60d11369454c41f5fc81ab3f
- https://git.kernel.org/stable/c/7aa1e7d15f8a5b65f67bacb100d8fc033b21efa2
- https://git.kernel.org/stable/c/7d61dbd7311ab978d8ddac1749a758de4de00374
- https://git.kernel.org/stable/c/99df16007f4bbf9abfc3478cb17d10f0d7f8906e
- https://git.kernel.org/stable/c/9de3dc09e56f8deacd2bdbf4cecb71e11a312405
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.318