SB20240530128 - Memory leak in Linux kernel bluetooth
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240530128
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) Memory leak (CVE-ID: CVE-2023-52518)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the hci_dev_close_sync() function in net/bluetooth/hci_sync.c, within the hci_release_dev() function in net/bluetooth/hci_core.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/626535077ba9dc110787540d1fe24881094c15a1
- https://git.kernel.org/stable/c/eea5a8f0c3b7c884d2351e75fbdd0a3d7def5ae1
- https://git.kernel.org/stable/c/b938790e70540bf4f2e653dcd74b232494d06c8f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.57
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6