SB20241022294 - Incorrect calculation in Linux kernel net driver
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022294
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect calculation (CVE-ID: CVE-2022-49014)
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.
References
- 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