#VU106858 Resource management error in Linux kernel - CVE-2025-21916
Vulnerability identifier: #VU106858
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:
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 cxacru_bind() function in drivers/usb/atm/cxacru.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 5.4, 5.4.0, 5.4.0 rc6, 5.4.1, 5.4.2, 5.4.3, 5.4.4, 5.4.5, 5.4.6, 5.4.7, 5.4.8, 5.4.9, 5.4.10, 5.4.11, 5.4.12, 5.4.13, 5.4.14, 5.4.15, 5.4.16, 5.4.17, 5.4.18, 5.4.19, 5.4.20, 5.4.21, 5.4.22, 5.4.23, 5.4.24, 5.4.25, 5.4.26, 5.4.27, 5.4.28, 5.4.29, 5.4.30, 5.4.31, 5.4.32, 5.4.33, 5.4.34, 5.4.35, 5.4.36, 5.4.37, 5.4.38, 5.4.39, 5.4.40, 5.4.41, 5.4.42, 5.4.43, 5.4.44, 5.4.45, 5.4.46, 5.4.47, 5.4.48, 5.4.49, 5.4.50, 5.4.51, 5.4.52, 5.4.53, 5.4.54, 5.4.55, 5.4.56, 5.4.57, 5.4.58, 5.4.59, 5.4.60, 5.4.61, 5.4.62, 5.4.63, 5.4.64, 5.4.65, 5.4.66, 5.4.67, 5.4.68, 5.4.69, 5.4.70, 5.4.71, 5.4.72, 5.4.73, 5.4.74, 5.4.75, 5.4.76, 5.4.77, 5.4.78, 5.4.79, 5.4.80, 5.4.81, 5.4.82, 5.4.83, 5.4.84, 5.4.85, 5.4.86, 5.4.87, 5.4.88, 5.4.89, 5.4.90, 5.4.91, 5.4.92, 5.4.93, 5.4.94, 5.4.95, 5.4.96, 5.4.97, 5.4.98, 5.4.99, 5.4.100, 5.4.101, 5.4.102, 5.4.103, 5.4.104, 5.4.105, 5.4.106, 5.4.107, 5.4.108, 5.4.109, 5.4.110, 5.4.111, 5.4.112, 5.4.113, 5.4.114, 5.4.115, 5.4.116, 5.4.117, 5.4.118, 5.4.119, 5.4.120, 5.4.121, 5.4.122, 5.4.123, 5.4.124, 5.4.125, 5.4.126, 5.4.127, 5.4.128, 5.4.129, 5.4.130, 5.4.131, 5.4.132, 5.4.133, 5.4.134, 5.4.135, 5.4.136, 5.4.137, 5.4.138, 5.4.139, 5.4.140, 5.4.141, 5.4.142, 5.4.143, 5.4.144, 5.4.145, 5.4.146, 5.4.147, 5.4.148, 5.4.149, 5.4.150, 5.4.151, 5.4.152, 5.4.153, 5.4.154, 5.4.155, 5.4.156, 5.4.157, 5.4.158, 5.4.159, 5.4.160, 5.4.161, 5.4.162, 5.4.163, 5.4.164, 5.4.165, 5.4.166, 5.4.167, 5.4.168, 5.4.169, 5.4.170, 5.4.171, 5.4.172, 5.4.173, 5.4.174, 5.4.175, 5.4.176, 5.4.177, 5.4.178, 5.4.179, 5.4.180, 5.4.181, 5.4.182, 5.4.183, 5.4.184, 5.4.185, 5.4.186, 5.4.187, 5.4.188, 5.4.189, 5.4.190, 5.4.191, 5.4.192, 5.4.193, 5.4.194, 5.4.195, 5.4.196, 5.4.197, 5.4.198, 5.4.199, 5.4.200, 5.4.201, 5.4.202, 5.4.203, 5.4.204, 5.4.205, 5.4.206, 5.4.207, 5.4.208, 5.4.209, 5.4.210, 5.4.211, 5.4.212, 5.4.213, 5.4.214, 5.4.215, 5.4.216, 5.4.217, 5.4.218, 5.4.219, 5.4.220, 5.4.221, 5.4.222, 5.4.223, 5.4.224, 5.4.225, 5.4.226, 5.4.227, 5.4.228, 5.4.229, 5.4.230, 5.4.231, 5.4.232, 5.4.233, 5.4.234, 5.4.235, 5.4.236, 5.4.237, 5.4.238, 5.4.239, 5.4.240, 5.4.241, 5.4.242, 5.4.243, 5.4.244, 5.4.245, 5.4.246, 5.4.247, 5.4.248, 5.4.249, 5.4.250, 5.4.251, 5.4.252, 5.4.253, 5.4.254, 5.4.255, 5.4.256, 5.4.257, 5.4.258, 5.4.259, 5.4.260, 5.4.261, 5.4.262, 5.4.263, 5.4.264, 5.4.265, 5.4.266, 5.4.267, 5.4.268, 5.4.269, 5.4.270, 5.4.271, 5.4.272, 5.4.273, 5.4.274, 5.4.275, 5.4.276, 5.4.277, 5.4.278, 5.4.279, 5.4.280, 5.4.281, 5.4.282, 5.4.283, 5.4.284, 5.4.285, 5.4.286, 5.4.287, 5.4.288, 5.4.289, 5.4.290
External links
https://git.kernel.org/stable/c/197e78076c5ecd895f109158c4ea2954b9919af6
https://git.kernel.org/stable/c/319529e0356bd904528c64647725a2272d297c83
https://git.kernel.org/stable/c/903b80c21458bb1e34c3a78c5fdc553821e357f8
https://git.kernel.org/stable/c/a0475a885d69849b1ade38add6d64338dfa83a8f
https://git.kernel.org/stable/c/bf4409f84023b52b5e9b36c0a071a121eee42138
https://git.kernel.org/stable/c/c90aad369899a607cfbc002bebeafd51e31900cd
https://git.kernel.org/stable/c/cfc295f7cccf66cbd5123416bcf1bee2e1bd37de
https://git.kernel.org/stable/c/dcd592ab9dd8a2bfc36e75583b9006db2a77ec24
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.291
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.
