CVE-2026-64247 | Linux Kernel up to 6.6.143/6.12.94/6.18.37/7.1.2 Hyper-V Sparse Bank hv_is_vp_in_sparse_set use after free

A vulnerability, which was classified as very critical, has been found in Linux Kernel up to 6.6.143/6.12.94/6.18.37/7.1.2. Affected by this issue is the function hv_is_vp_in_sparse_set of the component Hyper-V Sparse Bank Handler. This manipulation causes use after free.

The identification of this vulnerability is CVE-2026-64247. It is possible to initiate the attack remotely. There is no exploit available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More