NULL pointer dereference in Linux kernel iio adc driver

1) NULL pointer dereference

EUVDB-ID: #VU90536

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-2023-52802

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the stm32_adc_probe() function in drivers/iio/adc/stm32-adc-core.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/b80aaff5f7817d50798ac61ed75973f004dd5202
http://git.kernel.org/stable/c/b028f89c56e964a22d3ddb8eab1a0e7e980841b9
http://git.kernel.org/stable/c/5b82e4240533bcd4691e50b64ec86d0d7fbd21b9
http://git.kernel.org/stable/c/3a23b384e7e3d64d5587ad10729a34d4f761517e

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.