#VU105007 NULL pointer dereference in Linux kernel - CVE-2024-58009

Vulnerability identifier: #VU105007

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-2024-58009

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_alloc() function 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/245d48c1ba3e7a1779c2f4cbc6f581ddc8a78e22
https://git.kernel.org/stable/c/297ce7f544aa675b0d136d788cad0710cdfb0785
https://git.kernel.org/stable/c/49c0d55d59662430f1829ae85b969619573d0fa1
https://git.kernel.org/stable/c/5f397409f8ee5bc82901eeaf799e1cbc4f8edcf1
https://git.kernel.org/stable/c/691218a50c3139f7f57ffa79fb89d932eda9571e

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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.