Memory leak in Linux kernel sw siw driver

1) Memory leak

EUVDB-ID: #VU92881

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-2022-48725

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 siw_create_qp() function in drivers/infiniband/sw/siw/siw_verbs.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/2989ba9532babac66e79997ccff73c015b69700c
http://git.kernel.org/stable/c/fa3b844a50845c817660146c27c0fc29b08d3116
http://git.kernel.org/stable/c/a75badebfdc0b3823054bedf112edb54d6357c75

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.