#VU104577 NULL pointer dereference in Linux kernel - CVE-2022-49453

Vulnerability identifier: #VU104577

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-2022-49453

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 ti_sci_pm_domain_probe() function in drivers/soc/ti/ti_sci_pm_domains.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

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External links
https://git.kernel.org/stable/c/01ba41a359622ab256ce4d4f8b94c67165ae3daf
https://git.kernel.org/stable/c/05efc4591f80582b6fe53366b70b6a35a42fd255
https://git.kernel.org/stable/c/7cef9274fa1b8506949d74bc45aef072b890824a
https://git.kernel.org/stable/c/ba56291e297d28aa6eb82c5c1964fae2d7594746
https://git.kernel.org/stable/c/c4e188869406b47ac3350920bf165be303cb1c96

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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.