Memory leak in Linux kernel thermal driver

1) Memory leak

EUVDB-ID: #VU104288

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49463

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the imx_sc_thermal_probe() function in drivers/thermal/imx_sc_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/09700c504d8e63faffd2a2235074e8c5d130cb8f
https://git.kernel.org/stable/c/0ec10303c10833c1bcba7a1bde2f297e494d5464
https://git.kernel.org/stable/c/3ade442ea5d3512a3c67984489ab4d8a6fb3b29f
https://git.kernel.org/stable/c/8bbf522a2c51ef939d0e8835e236bfcd252193af
https://git.kernel.org/stable/c/ec0925b731697db7cab5944a3e55d2d58bb3d075

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.