CVE-2026-89559

A flaw was found in the Linux kernel's libnvdimm/labels component. An integer overflow vulnerability exists in the ndlabelvalidate function, where a 32-bit calculation of a namespace index field nslot can wrap around. This allows a local attacker, or an attacker with control over the storage...

CVE-2026-89559 libnvdimm/labels: Prevent integer overflow in __nd_label_validate()

In the Linux kernel, the following vulnerability has been resolved: libnvdimm/labels: Prevent integer overflow in ndlabelvalidate The on-media namespace index field nslot is a u32 read from the DIMM label storage area. ndlabelvalidate bounds it against the config area size, but sizeofnamespacelab...