SB2024061073 - Memory leak in Linux kernel phy mediatek driver
Published: June 10, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061073
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) Memory leak (CVE-ID: CVE-2021-47234)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the mtk_phy_init() function in drivers/phy/mediatek/phy-mtk-tphy.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/9a17907946232d01aa2ec109da5f93b8d31dd425
- https://git.kernel.org/stable/c/6472955af5e88b5489b6d78316082ad56ea3e489
- https://git.kernel.org/stable/c/aaac9a1bd370338ce372669eb9a6059d16b929aa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.46
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13