#VU93018 Memory leak in Linux kernel - CVE-2024-38388

Vulnerability identifier: #VU93018

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-2024-38388

CWE-ID: CWE-401

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 memory leak within the wmfw_convert_flags(), hda_cs_dsp_add_kcontrol(), hda_cs_dsp_control_add() and hda_cs_dsp_control_remove() functions in sound/pci/hda/hda_cs_dsp_ctl.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/191dc1b2ff0fb35e7aff15a53224837637df8bff
https://git.kernel.org/stable/c/6e359be4975006ff72818e79dad8fe48293f2eb2
https://git.kernel.org/stable/c/3291486af5636540980ea55bae985f3eaa5b0740
https://git.kernel.org/stable/c/172811e3a557d8681a5e2d0f871dc04a2d17eb13

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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.