NULL pointer dereference in Linux kernel bluetooth



| Updated: 2025-05-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-41062
CWE-ID CWE-476
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU94977

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-41062

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the l2cap_sock_kill(), l2cap_sock_new_connection_cb() and l2cap_sock_recv_cb() functions in net/bluetooth/l2cap_sock.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.1 - 6.6.41

CPE2.3 External links

https://git.kernel.org/stable/c/605572e64cd9cebb05ed609d96cff05b50d18cdf
https://git.kernel.org/stable/c/b803f30ea23e0968b6c8285c42adf0d862ab2bf6
https://git.kernel.org/stable/c/3b732449b78183d17178db40be3a4401cf3cd629
https://git.kernel.org/stable/c/89e856e124f9ae548572c56b1b70c2255705f8fe
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.101
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.42


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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