#VU94264 Improper locking in Linux kernel - CVE-2024-41005

Vulnerability identifier: #VU94264

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-2024-41005

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 netpoll_owner_active() function in net/core/netpoll.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/43c0ca793a18578a0f5b305dd77fcf7ed99f1265
https://git.kernel.org/stable/c/efd29cd9c7b8369dfc7bcb34637e6bf1a188aa8e
https://git.kernel.org/stable/c/96826b16ef9c6568d31a1f6ceaa266411a46e46c
https://git.kernel.org/stable/c/3f1a155950a1685ffd0fd7175b3f671da8771f3d
https://git.kernel.org/stable/c/a130e7da73ae93afdb4659842267eec734ffbd57
https://git.kernel.org/stable/c/c2e6a872bde9912f1a7579639c5ca3adf1003916

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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.