SB2025091870 - NULL pointer dereference in Linux kernel i2c muxes driver
Published: September 18, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091870
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-2022-50364)
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_mux_reg_probe() function in drivers/i2c/muxes/i2c-mux-reg.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/2d47b79d2bd39cc6369eccf94a06568d84c906ae
- https://git.kernel.org/stable/c/61df25c41b8e0d2c988ccf17139f70075a2e1ba4
- https://git.kernel.org/stable/c/8212800943997fab61874550278d653cb378c60c
- https://git.kernel.org/stable/c/f5049b3ad9446203b916ee375f30fa217735f63a
- https://git.kernel.org/stable/c/f7a440c89b6d460154efeb058272760e41bdfea8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2