NULL pointer dereference in Linux kernel intel int340x_thermal driver

1) NULL pointer dereference

EUVDB-ID: #VU90514

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-48703

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 int3400_setup_gddv(), int3400_thermal_probe() and int3400_thermal_remove() functions in drivers/thermal/intel/int340x_thermal/int3400_thermal.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/dae42083b045a4ddf71c57cf350cb2412b5915c2
https://git.kernel.org/stable/c/7931e28098a4c1a2a6802510b0cbe57546d2049d

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.