#VU106852 Resource management error in Linux kernel - CVE-2025-21924

Vulnerability identifier: #VU106852

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-2025-21924

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 hclge_ptp_init() function in drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.15 - 5.15.178

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External links
https://git.kernel.org/stable/c/21dba813d9821687a7f9aff576798ba21a859a32
https://git.kernel.org/stable/c/2c04e507f3a5c5dc6e2b9ab37d8cdedee1ef1a37
https://git.kernel.org/stable/c/33244e98aa9503585e585335fe2ceb4492630949
https://git.kernel.org/stable/c/9cfc43c0e6e6a31122b4008d763a2960c206aa2d
https://git.kernel.org/stable/c/b7365eab39831487a84e63a9638209b68dc54008
https://git.kernel.org/stable/c/b7d8d4529984e2d4a72a6d552fb886233e8e83cb
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.179

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?