#VU89673 NULL pointer dereference in Linux kernel - CVE-2024-27399 

 

#VU89673 NULL pointer dereference in Linux kernel - CVE-2024-27399

Published: May 20, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU89673
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-27399
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

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.

External links