CVE-2026-43239
MediumSummary
A vulnerability in the Linux kernel has been resolved that allowed two query interface operations to concurrently update interfaces. A locking mechanism has been introduced to prevent these races.
Risk Assessment
Organizations could have been exposed to data integrity issues due to concurrent interface updates, potentially leading to unpredictable system behavior.
Recommendation
It is recommended to update the Linux kernel to the latest version to benefit from the fixes related to this vulnerability.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in ->query_interfaces() It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating iface_last_update under iface_lock.