Memory leak in Linux kernel - CVE-2022-49461
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104286
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-49461
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the amt_rcv() function in drivers/net/amt.c. A remote attacker on the local network can send specially crafted advertisement messages to the system and perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-49461
Install update from vendor's website.
Linux kernel - addressed in versions 5.17.14, 5.18.3, 5.19
External References
- https://git.kernel.org/stable/c/19bb2d57eac86a368839a92117d8a10ab7183623
- https://git.kernel.org/stable/c/e7322da399fb86a2072f008b56f7160afa1b2051
- https://git.kernel.org/stable/c/fe29794c3585d039fefebaa2b5a4932a627ad4fd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19