#VU104247 Memory leak in Linux kernel - CVE-2022-49314

Cybersecurity Help s.r.o.

Published: 2025-02-26 | Updated: 2025-05-11

Vulnerability identifier: #VU104247

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49314

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 icom_probe() function in drivers/tty/serial/icom.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

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

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

SUSE update for the Linux Kernel

Memory leak in Linux kernel tty serial driver