SB2024052063 - Denial of service in Linux kernel Bluetooth
Published: May 20, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024052063
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
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-2024-27399)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dreference error within the l2cap_chan_timeout() function in net/bluetooth/l2cap_core.c. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/adf0398cee86643b8eacde95f17d073d022f782c
- https://git.kernel.org/stable/c/e137e2ba96e51902dc2878131823a96bf8e638ae
- https://git.kernel.org/stable/c/6466ee65e5b27161c846c73ef407f49dfa1bd1d9
- https://git.kernel.org/stable/c/06acb75e7ed600d0bbf7bff5628aa8f24a97978c
- https://git.kernel.org/stable/c/e97e16433eb4533083b096a3824b93a5ca3aee79
- https://git.kernel.org/stable/c/8960ff650aec70485b40771cd8e6e8c4cb467d33
- https://git.kernel.org/stable/c/955b5b6c54d95b5e7444dfc81c95c8e013f27ac0
- https://git.kernel.org/stable/c/eb86f955488c39526534211f2610e48a5cf8ead4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.10