[Suggested description] An issue was discovered in the Linux kernel through 5.16-rc6. netvsc_get_ethtool_stats in drivers/net/hyperv/netvsc_drv.c lacks check of the return value of kvmalloc_array() and will cause the null pointer dereference. ------------------------------------------ [VulnerabilityType Other] NULL Pointer Dereference ------------------------------------------ [Vendor of Product] the development group ------------------------------------------ [Affected Product Code Base] Linux kernel - 5.16-rc6 ------------------------------------------ [Reference] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.19-rc2&id=886e44c9298a6b428ae046e2fa092ca52e822e6a ------------------------------------------ [Discoverer] Jiasheng Jiang