#VU93037 Improper locking in Linux kernel - CVE-2024-38628

Vulnerability identifier: #VU93037

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-2024-38628

CWE-ID: CWE-667

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 locking within the free_ep_fback(), u_audio_set_volume(), u_audio_set_mute() and g_audio_setup() functions in drivers/usb/gadget/function/u_audio.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/89e66809684485590ea0b32c3178e42cba36ac09
https://git.kernel.org/stable/c/453d3fa9266e53f85377b911c19b9a4563fa88c0
https://git.kernel.org/stable/c/bea73b58ab67fe581037ad9cdb93c2557590c068
https://git.kernel.org/stable/c/1b739388aa3f8dfb63a9fca777e6dfa6912d0464

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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.