CVE-2021-47481

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Initialize the ODP xarray when creating an ODP MR Normally the zero fill would hide the missing initialization, but an errant set to descsize in regcreate causes a crash: BUG: unable to handle page fault for address:...

CVE-2021-47481

CVE-2021-47481 concerns the Linux kernel RDMA mlx5 path. The connected sources confirm a concrete flaw where the ODP xarray was not initialized when creating an ODP MR, allowing an out-of-bounds/invalid access that triggers a crash (page fault) due to reg_create() setting a desc_size. The fix des...

UVI-2021-1002207 RDMA/mlx5: Initialize the ODP xarray when creating an ODP MR

RDMA/mlx5: Initialize the ODP xarray when creating an ODP MR This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15 by commit...