SB2025091872 - NULL pointer dereference in Linux kernel i2c busses driver
Published: September 18, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091872
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-2022-50370)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the i2c_dw_irq_handler_master() function in drivers/i2c/busses/i2c-designware-master.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/301c8f5c32c8fb79c67539bc23972dc3ef48024c
- https://git.kernel.org/stable/c/7fa5304c4b5b425d4a0b3acf10139a7f6108a85f
- https://git.kernel.org/stable/c/a206f7fbe9589c60fafad12884628c909ecb042f
- https://git.kernel.org/stable/c/aa59ac81e859006d3a1df035a19b3f2089110f93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3