SB20240608166 - Improper locking in Linux kernel phy freescale driver
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608166
CSH 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 vulnerability.
1) Improper locking (CVE-ID: CVE-2023-52505)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the lynx_28g_set_mode() and lynx_28g_probe() functions in drivers/phy/freescale/phy-fsl-lynx-28g.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/6f901f8448c6b25ed843796b114471d2a3fc5dfb
- https://git.kernel.org/stable/c/c2d7c79898b427d263c64a4841987eec131f2d4e
- https://git.kernel.org/stable/c/139ad1143151a07be93bf741d4ea7c89e59f89ce
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.59
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6