Memory leak in Linux kernel spi driver

1) Memory leak

EUVDB-ID: #VU92893

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-2022-48723

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 uniphier_spi_probe() function in drivers/spi/spi-uniphier.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/e895e067d73e154b1ebc84a124e00831e311d9b0
http://git.kernel.org/stable/c/dd00b4f8f768d81c3788a8ac88fdb3d745e55ea3
http://git.kernel.org/stable/c/447c3d4046d7b54052d07d8b27e15e6edea5662c
http://git.kernel.org/stable/c/37c2c83ca4f1ef4b6908181ac98e18360af89b42

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.