Resource management error in Linux kernel - CVE-2022-49654
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104899
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2022-49654
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the qca8k_port_change_mtu() function in drivers/net/dsa/qca8k.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-49654
Install update from vendor's website.
Linux kernel - addressed in versions 5.15.54, 5.18.11, 5.19
External References
- https://git.kernel.org/stable/c/188c798f3c2554fa0d7147e9b97baf144b817019
- https://git.kernel.org/stable/c/1993f5a06736ada59dd54b50dc96755a38796ee5
- https://git.kernel.org/stable/c/386228c694bf1e7a7688e44412cb33500b0ac585
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19