CVE-2026-45960 hfsplus: return error when node already exists in hfs_bnode_create

In the Linux kernel, the following vulnerability has been resolved: hfsplus: return error when node already exists in hfsbnodecreate When hfsbnodecreate finds that a node is already hashed which should not happen in normal operation, it currently returns the existing node without incrementing its...

CVE-2026-45960

CVE-2026-45960 concerns the Linux kernel hfsplus filesystem. The root cause is in hfs_bnode_create(): when a node is already hashed, it returns the existing node without incrementing its reference count, causing refcnt inconsistency and a kernel panic during hfs_bnode_put(). The vulnerability is ...