Memory leak in Linux kernel raw gpmi-nand driver

1) Memory leak

EUVDB-ID: #VU94407

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-2022-48778

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 gpmi_nfc_exec_op() and pm_runtime_mark_last_busy() functions in drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.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/4cd3281a910a5adf73b2a0a82241dd67844d0b25
http://git.kernel.org/stable/c/a4eeeaca50199e3f19eb13ac3b7e0bbb93e22de4
http://git.kernel.org/stable/c/4a7ec50298b1127c5024a750c969ea0794899545
http://git.kernel.org/stable/c/58d3111eafce9e4398654b07f0b1dac27f26ee5b
http://git.kernel.org/stable/c/9161f365c91614e5a3f5c6dcc44c3b1b33bc59c0

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.