SB20260507208 - Race condition in Linux kernel mfd driver
Published: May 7, 2026
Security Bulletin ID
SB20260507208
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) Race condition (CVE-ID: CVE-2026-43143)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
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 cause a denial of service.
The vulnerability exists due to improper synchronization in mfd_of_node_list handling when accessing or modifying the list. A local user can trigger concurrent list operations to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/20117c92bcf9c11afd64d7481d8f94fdf410726e
- https://git.kernel.org/stable/c/45341856ecda1d56689451abd5cf1d1aa57dbe47
- https://git.kernel.org/stable/c/9b02e3fec3a7fcb990b4d3bd3b13d7edf123dca6
- https://git.kernel.org/stable/c/db131ef9d8980cf60dcac8cf94c036eccf75e5d0
- https://git.kernel.org/stable/c/dcfa679bba02412f2087be21cf06ae88b1f4e0ef
- https://git.kernel.org/stable/c/e2e7c275f557e2b75e3128f4818063798248774c