A vulnerability described as critical has been identified in Linux Kernel up to 6.6.135/6.12.82/6.18.23/6.19.13. The impacted element is the function
build_mapping. Executing a manipulation can lead to information disclosure.
The identification of this vulnerability is CVE-2026-43089. The attack needs to be done within the local network. There is no exploit available.
Upgrading the affected component is recommended.
