#VU99110 Information disclosure in Linux kernel - CVE-2022-48975

Vulnerability identifier: #VU99110

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-48975

CWE-ID: CWE-200

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 gain access to sensitive information.

The vulnerability exists due to information disclosure within the gpiochip_setup_dev(), gpiochip_add_data_with_key(), gpiochip_remove_pin_ranges() and ida_free() functions in drivers/gpio/gpiolib.c. A local user can gain access to sensitive information.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/6daaa84b621485fe28c401be18debf92ae8ef04a
https://git.kernel.org/stable/c/371363716398ed718e389bea8c5e9843a79dde4e
https://git.kernel.org/stable/c/ec851b23084b3a0af8bf0f5e51d33a8d678bdc49

---

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.