Resource management error in Linux kernel net usb driver

1) Resource management error

EUVDB-ID: #VU105080

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-2025-21708

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to resource management error within the MSR_SPEED() and rtl8150_probe() functions in drivers/net/usb/rtl8150.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/3c706829ceb6e347bd4ddfd17f1d3048acd69da2
https://git.kernel.org/stable/c/90b7f2961798793275b4844348619b622f983907
https://git.kernel.org/stable/c/c843515ad2be7349dd6b60e5fd299d0da0b8458b
https://git.kernel.org/stable/c/e10b392a7495a5dbbb25247e2c17d380d9899263
https://git.kernel.org/stable/c/f395b7efcee8df54309eb2d4a624ef13f5d88b66

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.