Memory leak in Linux kernel usb class driver

1) Memory leak

EUVDB-ID: #VU98377

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-47671

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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

The vulnerability exists due to memory leak within the usbtmc_create_urb() function in drivers/usb/class/usbtmc.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

CPE2.3

External links

http://git.kernel.org/stable/c/ba6269e187aa1b1f20faf3c458831a0d6350304b
http://git.kernel.org/stable/c/51297ef7ad7824ad577337f273cd092e81a9fa08
http://git.kernel.org/stable/c/e872738e670ddd63e19f22d0d784f0bdf26ecba5
http://git.kernel.org/stable/c/6c7fc36da021b13c34c572a26ba336cd102418f8
http://git.kernel.org/stable/c/625fa77151f00c1bd00d34d60d6f2e710b3f9aad

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.