#VU94977 NULL pointer dereference in Linux kernel - CVE-2024-41062

Vulnerability identifier: #VU94977

Vulnerability 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

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

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: All versions

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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

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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.