Resource management error in Linux kernel staging mt7621-pci driver

1) Resource management error

EUVDB-ID: #VU99158

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-2022-48952

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to resource management error within the mt7621_pcie_register_host() function in drivers/staging/mt7621-pci/pci-mt7621.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/3e9c395ef2d52975b2c2894d2da09d6db2958bc6
http://git.kernel.org/stable/c/cb7323ece786f243f6d6ccf2e5b2b27b736bdc04
http://git.kernel.org/stable/c/a4997bae1b5b012c8a6e2643e26578a7bc2cae36
http://git.kernel.org/stable/c/19098934f910b4d47cb30251dd39ffa57bef9523

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.