SB20250226144 - Memory leak in Linux kernel net usb driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226144
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) Memory leak (CVE-ID: CVE-2022-49657)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the usbnet_async_cmd_cb() and usbnet_write_cmd_async() functions in drivers/net/usb/usbnet.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/0085da9df3dced730027923a6b48f58e9016af91
- https://git.kernel.org/stable/c/04894ab34faf40ab72a8a5ab5b404bb0606bbbff
- https://git.kernel.org/stable/c/3eed421ca5c809da93456f69203d164d5220be3d
- https://git.kernel.org/stable/c/5269209f54dd8dfd15f9383f3a3a1fe8370764f8
- https://git.kernel.org/stable/c/b55a21b764c1e182014630fa5486d717484ac58f
- https://git.kernel.org/stable/c/d5165e657987ff4ba0ace896d4376a3718a9fbc3
- https://git.kernel.org/stable/c/db89582ff330556188da856e01382ccbf3a5e706
- https://git.kernel.org/stable/c/e7b4f69946a38209b4a4f660bf0e4cbed94f9b4b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.11