#VU99182 Incorrect calculation in Linux kernel - CVE-2022-49014
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99182
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-2022-49014
CWE-ID: CWE-682
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 incorrect calculation within the __tun_detach() and tun_detach() functions in drivers/net/tun.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/1f23f1890d91812c35d32eab1b49621b6d32dc7b
- https://git.kernel.org/stable/c/16c244bc65d1175775325ec0489a5a5c830e02c7
- https://git.kernel.org/stable/c/5f442e1d403e0496bacb74a58e2be7f500695e6f
- https://git.kernel.org/stable/c/04b995e963229501401810dab89dc73e7f12d054
- https://git.kernel.org/stable/c/4cde8da2d814a3b7b176db81922d4ddaad7c0f0e
- https://git.kernel.org/stable/c/5daadc86f27ea4d691e2131c04310d0418c6cd12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.268
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.158
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.226
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1