#VU105080 Resource management error in Linux kernel - CVE-2025-21708

Vulnerability identifier: #VU105080

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-2025-21708

CWE-ID: CWE-399

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 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: 6.12 - 6.12.12

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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
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.13

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?