#VU111376 Memory leak in Linux kernel - CVE-2022-50033


| Updated: 2025-06-21

Vulnerability identifier: #VU111376

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-2022-50033

CWE-ID: CWE-401

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 memory leak within the ohci_hcd_ppc_of_probe() function in drivers/usb/host/ohci-ppc-of.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: 4.9, 4.9.0, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.9.5, 4.9.6, 4.9.7, 4.9.8, 4.9.9, 4.9.10, 4.9.11, 4.9.12, 4.9.13, 4.9.14, 4.9.15, 4.9.16, 4.9.17, 4.9.18, 4.9.19, 4.9.20, 4.9.21, 4.9.22, 4.9.23, 4.9.24, 4.9.25, 4.9.26, 4.9.27, 4.9.28, 4.9.29, 4.9.30, 4.9.31, 4.9.32, 4.9.33, 4.9.34, 4.9.35, 4.9.36, 4.9.37, 4.9.38, 4.9.39, 4.9.40, 4.9.41, 4.9.42, 4.9.43, 4.9.44, 4.9.45, 4.9.46, 4.9.47, 4.9.48, 4.9.49, 4.9.50, 4.9.51, 4.9.52, 4.9.53, 4.9.54, 4.9.55, 4.9.56, 4.9.57, 4.9.58, 4.9.59, 4.9.60, 4.9.61, 4.9.62, 4.9.63, 4.9.64, 4.9.65, 4.9.66, 4.9.67, 4.9.68, 4.9.69, 4.9.70, 4.9.71, 4.9.72, 4.9.73, 4.9.74, 4.9.75, 4.9.76, 4.9.77, 4.9.78, 4.9.79, 4.9.80, 4.9.81, 4.9.82, 4.9.83, 4.9.84, 4.9.85, 4.9.86, 4.9.87, 4.9.88, 4.9.89, 4.9.90, 4.9.91, 4.9.92, 4.9.93, 4.9.94, 4.9.95, 4.9.96, 4.9.97, 4.9.98, 4.9.99, 4.9.100, 4.9.101, 4.9.102, 4.9.103, 4.9.104, 4.9.105, 4.9.106, 4.9.107, 4.9.108, 4.9.109, 4.9.110, 4.9.111, 4.9.112, 4.9.113, 4.9.114, 4.9.115, 4.9.116, 4.9.117, 4.9.118, 4.9.119, 4.9.120, 4.9.121, 4.9.122, 4.9.123, 4.9.124, 4.9.125, 4.9.126, 4.9.127, 4.9.128, 4.9.129, 4.9.130, 4.9.131, 4.9.132, 4.9.133, 4.9.134, 4.9.135, 4.9.136, 4.9.137, 4.9.138, 4.9.139, 4.9.140, 4.9.141, 4.9.142, 4.9.143, 4.9.144, 4.9.145, 4.9.146, 4.9.147, 4.9.148, 4.9.149, 4.9.150, 4.9.151, 4.9.152, 4.9.153, 4.9.154, 4.9.155, 4.9.156, 4.9.157, 4.9.158, 4.9.159, 4.9.160, 4.9.161, 4.9.162, 4.9.163, 4.9.164, 4.9.165, 4.9.166, 4.9.167, 4.9.168, 4.9.169, 4.9.170, 4.9.171, 4.9.172, 4.9.173, 4.9.174, 4.9.175, 4.9.176, 4.9.177, 4.9.178, 4.9.179, 4.9.180, 4.9.181, 4.9.182, 4.9.183, 4.9.184, 4.9.185, 4.9.186, 4.9.187, 4.9.188, 4.9.189, 4.9.190, 4.9.191, 4.9.192, 4.9.193, 4.9.194, 4.9.195, 4.9.196, 4.9.197, 4.9.198, 4.9.199, 4.9.200, 4.9.201, 4.9.202, 4.9.203, 4.9.204, 4.9.205, 4.9.206, 4.9.207, 4.9.208, 4.9.209, 4.9.210, 4.9.210-1, 4.9.211, 4.9.212, 4.9.213, 4.9.214, 4.9.215, 4.9.216, 4.9.217, 4.9.218, 4.9.219, 4.9.220, 4.9.221, 4.9.222, 4.9.223, 4.9.224, 4.9.225, 4.9.226, 4.9.227, 4.9.228, 4.9.229, 4.9.230, 4.9.231, 4.9.232, 4.9.233, 4.9.234, 4.9.235, 4.9.236, 4.9.237, 4.9.238, 4.9.239, 4.9.240, 4.9.241, 4.9.242, 4.9.243, 4.9.244, 4.9.245, 4.9.246, 4.9.247, 4.9.248, 4.9.249, 4.9.250, 4.9.251, 4.9.252, 4.9.253, 4.9.254, 4.9.255, 4.9.256, 4.9.257, 4.9.258, 4.9.259, 4.9.260, 4.9.261, 4.9.262, 4.9.263, 4.9.264, 4.9.265, 4.9.266, 4.9.267, 4.9.268, 4.9.269, 4.9.270, 4.9.271, 4.9.272, 4.9.273, 4.9.274, 4.9.275, 4.9.276, 4.9.277, 4.9.278, 4.9.279, 4.9.280, 4.9.281, 4.9.282, 4.9.283, 4.9.284, 4.9.285, 4.9.286, 4.9.287, 4.9.288, 4.9.289, 4.9.290, 4.9.291, 4.9.292, 4.9.293, 4.9.294, 4.9.295, 4.9.296, 4.9.297, 4.9.298, 4.9.299, 4.9.300, 4.9.301, 4.9.302, 4.9.303, 4.9.304, 4.9.305, 4.9.306, 4.9.307, 4.9.308, 4.9.309, 4.9.310, 4.9.311, 4.9.312, 4.9.313, 4.9.314, 4.9.315, 4.9.316, 4.9.317, 4.9.318, 4.9.319, 4.9.320, 4.9.321, 4.9.322, 4.9.323, 4.9.324, 4.9.325


External links
https://git.kernel.org/stable/c/0334d23c56ecf1ee1563bb83e29cc5a51ed7fb4e
https://git.kernel.org/stable/c/0fc62bbc95319bbd330e3645afc7c286acec9ef8
https://git.kernel.org/stable/c/403132881e66db7aa98b55c6655daedd80d407fd
https://git.kernel.org/stable/c/40a959d7042bb7711e404ad2318b30e9f92c6b9b
https://git.kernel.org/stable/c/c5c5bd5cdcc6dc9f75f53d1c89af463d39a2bb96
https://git.kernel.org/stable/c/cb5dd65e889163e723df1c2f02288cc527a57785
https://git.kernel.org/stable/c/ec583e300aee9f152a64911445092d18e1c36729
https://git.kernel.org/stable/c/fe6fe64403710287f0ae61a516954d8a4f7c9e3f
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.326


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.


Latest bulletins with this vulnerability