SB20250619160 - Use-after-free in Linux kernel net usb driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619160
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-50220)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the drivers/net/usb/usbnet.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/135199a2edd459d2b123144efcd7f9bcd95128e4
- https://git.kernel.org/stable/c/635fd8953e4309b54ca6a81bed1d4a87668694f4
- https://git.kernel.org/stable/c/7f77dcbc030c2faa6d8e8a594985eeb34018409e
- https://git.kernel.org/stable/c/8b4588b8b00b299be16a35be67b331d8fdba03f3
- https://git.kernel.org/stable/c/a69e617e533edddf3fa3123149900f36e0a6dc74
- https://git.kernel.org/stable/c/d2d6b530d89b0a912148018027386aa049f0a309
- https://git.kernel.org/stable/c/d49bb8cf9bfaa06aa527eb30f1a52a071da2e32f
- https://git.kernel.org/stable/c/db3b738ae5f726204876f4303c49cfdf4311403f
- https://git.kernel.org/stable/c/e2a521a7dcc463c5017b4426ca0804e151faeff7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.291