SB20241022276 - Resource management error in Linux kernel net mdio driver
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022276
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) Resource management error (CVE-ID: CVE-2022-48961)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the mdio_device_free() and EXPORT_SYMBOL() functions in drivers/net/phy/mdio_device.c, within the of_mdiobus_register_device() function in drivers/net/mdio/of_mdio.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/16854177745a5648f8ec322353b432e18460f43a
- https://git.kernel.org/stable/c/a5c6de1a6656b8cc6bce7cb3d9874dd7df4968c3
- https://git.kernel.org/stable/c/cb37617687f2bfa5b675df7779f869147c9002bd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1