SB20240531361 - NULL pointer dereference in Linux kernel bluetooth driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531361
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-52833)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the btusb_mtk_hci_wmt_sync() function in drivers/bluetooth/btusb.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/9f8e4d1a4ca1179aaeb43f91f3e2a386e7e616b3
- https://git.kernel.org/stable/c/f9de14bde56dcbb0765284c6dfc35842b021733c
- https://git.kernel.org/stable/c/a556f2ef556a04790f67f2fa272f1a77336d15a0
- https://git.kernel.org/stable/c/0048ddf045bddc4dacb3e783fd869a2f8fb5be30
- https://git.kernel.org/stable/c/13b1ebad4c175e6a9b0748acbf133c21a15d282a
- https://git.kernel.org/stable/c/624820f7c8826dd010e8b1963303c145f99816e9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.202
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.140
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7