CVE-2025-68355 bpf: Fix exclusive map memory leak

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix exclusive map memory leak When exclproghash is 0 and exclproghashsize is non-zero, the map also needs to be freed. Otherwise, the map memory will not be reclaimed, just like the memory leak problem reported by syzbot 1...

PT-2025-52891

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak exists in the Linux kernel’s BPF Berkeley Packet Filter implementation related to exclusive maps. Specifically, when excl prog hash is zero and excl prog hash size is...