CVE-2021-47554

In the Linux kernel, the following vulnerability has been resolved: vdpasim: avoid putting an uninitialized iovadomain The system will crash if we put an uninitialized iovadomain, this could happen when an error occurs before initializing the iovadomain in vdpasimcreate. BUG: kernel NULL pointer...

CVE-2021-47554

CVE-2021-47554 affects the Linux kernel vdpa_sim code. Root cause: in error paths of vdpasim_create(), an uninitialized iova_domain could be freed, causing a NULL pointer dereference when put_iova_domain is executed, potentially crashing the system. The fix requires iova_domain to be initialized ...