Vulnerability identifier: #VU90612

Vulnerability 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-2023-52627

CWE-ID: CWE-476

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

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 BIT() function in drivers/iio/adc/ad7091r5.c, within the BIT() and ad7091r_read_event_config() functions in drivers/iio/adc/ad7091r-base.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/1eba6f7ffa295a0eec098c107043074be7cc4ec5
http://git.kernel.org/stable/c/49f322ce1f265935f15e5512da69a399f27a5091
http://git.kernel.org/stable/c/137568aa540a9f587c48ff7d4c51cdba08cfe9a4
http://git.kernel.org/stable/c/89c4e63324e208a23098f7fb15c00487cecbfed2
http://git.kernel.org/stable/c/55aca2ce91a63740278502066beaddbd841af9c6
http://git.kernel.org/stable/c/020e71c7ffc25dfe29ed9be6c2d39af7bd7f661f

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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.