CVE-2025-40101 | Linux Kernel up to 6.12.54/6.17.4/6.18-rc1 btrfs_load_block_group_zone_info memory leak

October 30, 2025 Yanac

A vulnerability was found in Linux Kernel up to 6.12.54/6.17.4/6.18-rc1. It has been rated as critical. Affected by this vulnerability is the function btrfs_load_block_group_zone_info. Performing manipulation results in memory leak.

This vulnerability is identified as CVE-2025-40101. The attack can only be performed from the local network. There is not any exploit available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More