#VU112225 Improper locking in Linux kernel - CVE-2025-38108

Vulnerability identifier: #VU112225

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-2025-38108

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 __red_change() function in net/sched/sch_red.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/110a47efcf23438ff8d31dbd9c854fae2a48bf98
https://git.kernel.org/stable/c/2790c4ec481be45a80948d059cd7c9a06bc37493
https://git.kernel.org/stable/c/2a71924ca4af59ffc00f0444732b6cd54b153d0e
https://git.kernel.org/stable/c/444ad445df5496a785705019268a8a84b84484bb
https://git.kernel.org/stable/c/4b755305b2b0618e857fdadb499365b5f2e478d1
https://git.kernel.org/stable/c/85a3e0ede38450ea3053b8c45d28cf55208409b8
https://git.kernel.org/stable/c/a1bf6a4e9264a685b0e642994031f9c5aad72414
https://git.kernel.org/stable/c/f569984417a4e12c67366e69bdcb752970de921d

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?