#VU108204 Memory leak in Linux kernel - CVE-2022-49788
Vulnerability identifier: #VU108204
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-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 qp_notify_peer_local() and qp_notify_peer() functions in drivers/misc/vmw_vmci/vmci_queue_pair.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 4.14, 4.14.0, 4.14.0 rc1, 4.14.1, 4.14.2, 4.14.3, 4.14.4, 4.14.5, 4.14.6, 4.14.7, 4.14.8, 4.14.9, 4.14.10, 4.14.11, 4.14.12, 4.14.13, 4.14.14, 4.14.15, 4.14.16, 4.14.17, 4.14.18, 4.14.19, 4.14.20, 4.14.21, 4.14.22, 4.14.23, 4.14.24, 4.14.25, 4.14.26, 4.14.27, 4.14.28, 4.14.29, 4.14.30, 4.14.31, 4.14.32, 4.14.33, 4.14.34, 4.14.35, 4.14.36, 4.14.37, 4.14.38, 4.14.39, 4.14.40, 4.14.41, 4.14.42, 4.14.43, 4.14.44, 4.14.45, 4.14.46, 4.14.47, 4.14.48, 4.14.49, 4.14.50, 4.14.51, 4.14.52, 4.14.53, 4.14.54, 4.14.55, 4.14.56, 4.14.57, 4.14.58, 4.14.59, 4.14.60, 4.14.61, 4.14.62, 4.14.63, 4.14.64, 4.14.65, 4.14.66, 4.14.67, 4.14.68, 4.14.69, 4.14.70, 4.14.71, 4.14.72, 4.14.73, 4.14.74, 4.14.75, 4.14.76, 4.14.77, 4.14.78, 4.14.79, 4.14.80, 4.14.81, 4.14.82, 4.14.83, 4.14.84, 4.14.85, 4.14.86, 4.14.87, 4.14.88, 4.14.89, 4.14.90, 4.14.91, 4.14.92, 4.14.93, 4.14.94, 4.14.95, 4.14.96, 4.14.97, 4.14.98, 4.14.99, 4.14.100, 4.14.101, 4.14.102, 4.14.103, 4.14.104, 4.14.105, 4.14.106, 4.14.107, 4.14.108, 4.14.109, 4.14.110, 4.14.111, 4.14.112, 4.14.113, 4.14.114, 4.14.115, 4.14.116, 4.14.117, 4.14.118, 4.14.119, 4.14.120, 4.14.121, 4.14.122, 4.14.123, 4.14.124, 4.14.125, 4.14.126, 4.14.127, 4.14.128, 4.14.129, 4.14.130, 4.14.131, 4.14.132, 4.14.133, 4.14.134, 4.14.135, 4.14.136, 4.14.137, 4.14.138, 4.14.139, 4.14.140, 4.14.141, 4.14.142, 4.14.143, 4.14.144, 4.14.145, 4.14.146, 4.14.147, 4.14.148, 4.14.149, 4.14.150, 4.14.151, 4.14.152, 4.14.153, 4.14.154, 4.14.155, 4.14.156, 4.14.157, 4.14.158, 4.14.159, 4.14.160, 4.14.161, 4.14.162, 4.14.163, 4.14.164, 4.14.165, 4.14.166, 4.14.167, 4.14.168, 4.14.169, 4.14.170, 4.14.171, 4.14.172, 4.14.173, 4.14.174, 4.14.175, 4.14.176, 4.14.177, 4.14.178, 4.14.179, 4.14.180, 4.14.181, 4.14.182, 4.14.183, 4.14.184, 4.14.185, 4.14.186, 4.14.187, 4.14.188, 4.14.189, 4.14.190, 4.14.191, 4.14.192, 4.14.193, 4.14.194, 4.14.195, 4.14.196, 4.14.197, 4.14.198, 4.14.199, 4.14.200, 4.14.201, 4.14.202, 4.14.203, 4.14.204, 4.14.205, 4.14.206, 4.14.207, 4.14.208, 4.14.209, 4.14.210, 4.14.211, 4.14.212, 4.14.213, 4.14.214, 4.14.215, 4.14.216, 4.14.217, 4.14.218, 4.14.219, 4.14.220, 4.14.221, 4.14.222, 4.14.223, 4.14.224, 4.14.225, 4.14.226, 4.14.227, 4.14.228, 4.14.229, 4.14.230, 4.14.231, 4.14.232, 4.14.233, 4.14.234, 4.14.235, 4.14.236, 4.14.237, 4.14.238, 4.14.239, 4.14.240, 4.14.241, 4.14.242, 4.14.243, 4.14.244, 4.14.245, 4.14.246, 4.14.247, 4.14.248, 4.14.249, 4.14.250, 4.14.251, 4.14.252, 4.14.253, 4.14.254, 4.14.255, 4.14.256, 4.14.257, 4.14.258, 4.14.259, 4.14.260, 4.14.261, 4.14.262, 4.14.263, 4.14.264, 4.14.265, 4.14.266, 4.14.267, 4.14.268, 4.14.269, 4.14.270, 4.14.271, 4.14.272, 4.14.273, 4.14.274, 4.14.275, 4.14.276, 4.14.277, 4.14.278, 4.14.279, 4.14.280, 4.14.281, 4.14.282, 4.14.283, 4.14.284, 4.14.285, 4.14.286, 4.14.287, 4.14.288, 4.14.289, 4.14.290, 4.14.291, 4.14.292, 4.14.293, 4.14.294, 4.14.295, 4.14.296, 4.14.297, 4.14.298, 4.14.299
External links
https://git.kernel.org/stable/c/5a275528025ae4bc7e2232866856dfebf84b2fad
https://git.kernel.org/stable/c/62634b43d3c4e1bf62fd540196f7081bf0885c0a
https://git.kernel.org/stable/c/76c50d77b928a33e5290aaa9fdc10e88254ff8c7
https://git.kernel.org/stable/c/7ccf7229b96fadc3a185d1391f814a604c7ef609
https://git.kernel.org/stable/c/8e2f33c598370bcf828bab4d667d1d38bcd3c57d
https://git.kernel.org/stable/c/e5b0d06d9b10f5f43101bd6598b076c347f9295f
https://git.kernel.org/stable/c/e7061dd1fef2dfb6458cd521aef27aa66f510d31
https://git.kernel.org/stable/c/f04586c2315cfd03d72ad0395705435e7ed07b1a
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.300
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.
