#VU104746 Improper error handling in Linux kernel - CVE-2022-49617

Vulnerability identifier: #VU104746

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-2022-49617

CWE-ID: CWE-388

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 improper error handling within the mc_dailink_exit_loop() and mc_probe() functions in sound/soc/intel/boards/sof_sdw.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/09bca0ffc95c50369f1345d80ecfaca51864126f
https://git.kernel.org/stable/c/f2556ce6b35ae0fc72000a4daa21ded12665e2f2
https://git.kernel.org/stable/c/fe154c4ff376bc31041c6441958a08243df09c99

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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.