Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: devlink: rate: Unset parent pointer in devlratenodesdestroy The function devlratenodesdestroy is documented to “Unset the parent pointer for all rate objects”. However, it only calls the driver-specific rateleafparentset or...

SUSE CVE-2025-40251

In the Linux kernel, the following vulnerability has been resolved: devlink: rate: Unset parent pointer in devlratenodesdestroy The function devlratenodesdestroy is documented to "Unset parent for all rate objects". However, it was only calling the driver-specific rateleafparentset or...

CVE-2025-40251

CVE-2025-40251 affects the Linux kernel devlink rate code. The root cause was devl_rate_nodes_destroy not clearing devlink_rate->parent (only calling rate_leaf_parent_set/rate_node_parent_set and decrementing the parent’s refcount), leaving a dangling pointer. This could trigger refcount warni...