Denial of service in Linux kernel usb implementation

Published: 2024-05-13 | Updated: 2025-05-14

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2023-52477
CWE-ID	CWE-908
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) Use of uninitialized resource

EUVDB-ID: #VU89393

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-2023-52477

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to usage of uninitialized BOS descriptors in drivers/usb/core/hub.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 4.14 - 6.6 rc6

CPE2.3

External links

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.