SB20240531322 - NULL pointer dereference in Linux kernel clk mediatek driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531322
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) NULL pointer dereference (CVE-ID: CVE-2023-52876)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the clk_mt7629_ethsys_init() and clk_mt7629_sgmiisys_init() functions in drivers/clk/mediatek/clk-mt7629-eth.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/cfa68e0ac5dcde43577adadf6f0f26f3b365ad68
- https://git.kernel.org/stable/c/96e9544a0c4faca616b3f9f4034dcd83a14e7f22
- https://git.kernel.org/stable/c/c4070ada5d5155c8d4d17ea64bd246949889f25b
- https://git.kernel.org/stable/c/a540ca0aeae83c2f3964bcb4e383f64ce2ec1783
- https://git.kernel.org/stable/c/b20cfe007a46f8c165d42a05c50a8d3d893e6592
- https://git.kernel.org/stable/c/1639072f6260babd017556e9f236ca2ad589d1e7
- https://git.kernel.org/stable/c/0884393c63cc9a1772f7121a6645ba7bd76feeb9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.201
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.139
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.261
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7