Memory leak in Linux kernel mm

1) Memory leak

EUVDB-ID: #VU92883

Risk: Low

CVSSv3.1: 4.8 [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-2022-48731

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 kmemleak_scan() function in mm/kmemleak.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/d3533ee20e9a0e2e8f60384da7450d43d1c63d1a
http://git.kernel.org/stable/c/352715593e81b917ce1b321e794549815b850134
http://git.kernel.org/stable/c/a5389c80992f0001ee505838fe6a8b20897ce96e
http://git.kernel.org/stable/c/cebb0aceb21ad91429617a40e3a17444fabf1529
http://git.kernel.org/stable/c/c10a0f877fe007021d70f9cada240f42adc2b5db

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.