#VU92971 Resource management error in Linux kernel - CVE-2021-47201
Published: June 20, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92971
Vulnerability risk: Low
CVSSv4.0: 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-2021-47201
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the iavf_disable_vf() function in drivers/net/ethernet/intel/iavf/iavf_main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/926e8c83d4c1c2dac0026637eb0d492df876489e
- https://git.kernel.org/stable/c/78638b47132244e3934dc5dc79f6372d5ce8e98c
- https://git.kernel.org/stable/c/9ef6589cac9a8c47f5544ccdf4c498093733bb3f
- https://git.kernel.org/stable/c/89f22f129696ab53cfbc608e0a2184d0fea46ac1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.162