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

In the Linux kernel hfsplus module, CVE-2026-45960 describes a scenario where hfs_bnode_create() returns an existing node if a node is already hashed, without incrementing its refcnt. This caused reference-count inconsistencies and could trigger a kernel panic during hfs_bnode_put(). The fix chan...