SB20250226565 - Double free in Linux kernel net phy driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226565
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) Double free (CVE-ID: CVE-2022-49350)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the mdio_bus_init() 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/35b42dce619701f1300fb8498dae82c9bb1f0263
- https://git.kernel.org/stable/c/5534bcd7c40299862237c4a8fd9c5031b3db1538
- https://git.kernel.org/stable/c/59fa94cddf9eef8d8dae587373eed8b8f4eb11d7
- https://git.kernel.org/stable/c/6a90a44d53428a3bf01bd80df9ba78b19959270c
- https://git.kernel.org/stable/c/7759c3222815b945a94b212bc0c6cdec475cfec2
- https://git.kernel.org/stable/c/ab64ec2c75683f30ccde9eaaf0761002f901aa12
- https://git.kernel.org/stable/c/f2f0f8c18b60ca64ff50892ed899cf1c77864755
- https://git.kernel.org/stable/c/f5c68137f1191ba3fcf6260ec71b30be2e2bf4c3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.15