Integer overflow in Linux kernel gpio driver

1) Integer overflow

EUVDB-ID: #VU104781

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49570

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer overflow within the xgpio_set_value32() function in drivers/gpio/gpio-xilinx.c. A local user can execute arbitrary code.

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/32c094a09d5829ad9b02cdf667569aefa8de0ea6
https://git.kernel.org/stable/c/6f16a5390640807dde420ee5ccbc4c95577aea6a
https://git.kernel.org/stable/c/e129e5486b981d324057e6986059f852658b0d00

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.