#VU90514 NULL pointer dereference in Linux kernel - CVE-2022-48703

Vulnerability identifier: #VU90514

Vulnerability 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

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 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: 5.19 - 5.19.8, 6.0 rc1 - 6.0 rc4

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External links
https://git.kernel.org/stable/c/dae42083b045a4ddf71c57cf350cb2412b5915c2
https://git.kernel.org/stable/c/7931e28098a4c1a2a6802510b0cbe57546d2049d
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.9
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?