Memory leak in Linux kernel hda



| Updated: 2025-05-10
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-49835
CWE-ID CWE-401
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Memory leak

EUVDB-ID: #VU108181

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-2022-49835

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 add_widget_node() function in sound/hda/hdac_sysfs.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.14 - 4.14.299

CPE2.3 External links

https://git.kernel.org/stable/c/02dea987ec1cac712c78e75d224ceb9bb73519ed
https://git.kernel.org/stable/c/3a79f9568de08657fcdbc41d6fc4c0ca145a7a2b
https://git.kernel.org/stable/c/455d99bd6baf19688048b6d42d9fa74eae27f93b
https://git.kernel.org/stable/c/7140d7aaf93da6a665b454f91bb4dc6b1de218bd
https://git.kernel.org/stable/c/90b7d055e2b5f39429f9a9e3815b48a48530ef28
https://git.kernel.org/stable/c/9a5523f72bd2b0d66eef3d58810c6eb7b5ffc143
https://git.kernel.org/stable/c/b688a3ec235222d9a84e43a48a6f31acb95baf2d
https://git.kernel.org/stable/c/bb0ac8d5e541224f599bc8e8f31a313faa4bf7b7
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.300


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.



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