SB20250327122 - Out-of-bounds read in Linux kernel net phy driver
Published: March 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250327122
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) Out-of-bounds read (CVE-ID: CVE-2023-53019)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the EXPORT_SYMBOL() function in drivers/net/phy/mdio_bus.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/1d80c259dfbadefa61b7ea334dfce5cb57f8c72f
- https://git.kernel.org/stable/c/4bc5f1f6bc94e695dfd912122af96e7115a0ddb8
- https://git.kernel.org/stable/c/7879626296e6ffd838ae0f2af1ab49ee46354973
- https://git.kernel.org/stable/c/867dbe784c5010a466f00a7d1467c1c5ea569c75
- https://git.kernel.org/stable/c/8a7b9560a3a8eb8724888c426e05926752f73aa0
- https://git.kernel.org/stable/c/ad67de330d83e8078372b52af18ffe8d39e26c85
- https://git.kernel.org/stable/c/c431a3d642593bbdb99e8a9e3eed608b730db6f8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.272