SB2024061063 - Memory leak in Linux kernel ipack devices driver
Published: June 10, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2021-47403)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ipoctal_port_activate() and ipoctal_cleanup() functions in drivers/ipack/devices/ipoctal.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/31398849b84ebae0d43a1cf379cb9895597f221a
- https://git.kernel.org/stable/c/c0adb5a947dec6cff7050ec56d78ecd3916f9ce6
- https://git.kernel.org/stable/c/dde4c1429b97383689f755ce92b4ed1e84a9c92b
- https://git.kernel.org/stable/c/9c5b77a7ffc983b2429ce158b50497c5d3c86a69
- https://git.kernel.org/stable/c/3253c87e1e5bc0107aab773af2f135ebccf38666
- https://git.kernel.org/stable/c/7cea848678470daadbfdaa6a112b823c290f900c
- https://git.kernel.org/stable/c/811178f296b16af30264def74c8d2179a72d5562
- https://git.kernel.org/stable/c/bb8a4fcb2136508224c596a7e665bdba1d7c3c27
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.249
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.209
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.286
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.151