Memory leak in Linux kernel iio adc driver

1) Memory leak

EUVDB-ID: #VU104340

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49683

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 adi_axi_adc_attach_client() function in drivers/iio/adc/adi-axi-adc.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

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/501652a2ad5450b4908e1f204ce75b2414c305b7
https://git.kernel.org/stable/c/5eaa84e1605035a90a64d25b6cba79e89d188175
https://git.kernel.org/stable/c/ab7bf025cee89db73c649216ddd2bc589c3d3862
https://git.kernel.org/stable/c/ada7b0c0dedafd7d059115adf49e48acba3153a8

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.