Threats tagged 'ghsa-2rj4-34vw-q254'

A use-after-free vulnerability exists in the Linux kernel's ntfs3 filesystem driver when using the 'nocase' mount option. The issue arises because the filesystem's private superblock information is freed without an RCU delay while lookups may still be accessing it, leading to a potential kernel memory corruption. The flaw is mitigated by a grace period in namespace_unlock() during unmount, but the fix involves deferring the freeing of this information via an RCU callback to prevent use-after-free conditions.