#VU102156 Improper locking in Linux kernel - CVE-2024-56687

Vulnerability identifier: #VU102156

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-2024-56687

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 musb_free_request() function in drivers/usb/musb/musb_gadget.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/0c89445e6d475b78d37b64ae520831cd43af7db4
https://git.kernel.org/stable/c/3fc137386c4620305bbc2a216868c53f9245670a
https://git.kernel.org/stable/c/5906ee3693674d734177df13a519a21bb03f730d
https://git.kernel.org/stable/c/c749500b28cae67410792096133ee7f282439c51
https://git.kernel.org/stable/c/f05ad9755bb294328c3d0f429164ac6d4d08c548

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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.