Vulnerability identifier: #VU93198

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-2022-48660

CWE-ID: CWE-399

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 resource management error within the lineevent_create() function in drivers/gpio/gpiolib-cdev.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

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External links
http://git.kernel.org/stable/c/657803b918e097e47d99d1489da83a603c36bcdd
http://git.kernel.org/stable/c/97da736cd11ae73bdf2f5e21e24446b8349e0168
http://git.kernel.org/stable/c/b1489043d3b9004dd8d5a0357b08b5f0e6691c43
http://git.kernel.org/stable/c/69bef19d6b9700e96285f4b4e28691cda3dcd0d1

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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.