Memory leak in Linux kernel ethernet ibm driver

1) Memory leak

EUVDB-ID: #VU96404

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-2022-48905

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 ibmvnic_reset() function in drivers/net/ethernet/ibm/ibmvnic.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

External links

http://git.kernel.org/stable/c/786576c03b313a9ff6585458aa0dfd039d897f51
http://git.kernel.org/stable/c/58b07100c20e95c78b8cb4d6d28ca53eb9ef81f2
http://git.kernel.org/stable/c/6acbc8875282d3ca8a73fa93cd7a9b166de5019c
http://git.kernel.org/stable/c/39738a2346b270e8f72f88d8856de2c167bd2899
http://git.kernel.org/stable/c/4c26745e4576cec224092e6cc12e37829333b183
http://git.kernel.org/stable/c/8d0657f39f487d904fca713e0bc39c2707382553

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.