SB20241022274 - Resource management error in Linux kernel net mdio driver
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022274
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-2022-49016)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the phy_mdio_device_free() function in drivers/net/phy/phy_device.c, within the fwnode_mdiobus_register_phy() function in drivers/net/mdio/fwnode_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/543d917f691ab06885ee779c862065899eaa4251
- https://git.kernel.org/stable/c/2708b357440427d6a9fee667eb7b8307f4625adc
- https://git.kernel.org/stable/c/cdde1560118f82498fc9e9a7c1ef7f0ef7755891
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.82
- 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