CVE-2026-45856 RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send

In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Validate wqesize before using it in ibuverbspostsend ibuverbspostsend uses cmd.wqesize from userspace without any validation before passing it to kmalloc and using the allocated buffer as struct ibuverbssendwr. If a...

CVE-2026-45856: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Validate wqesize before using it in ibuverbspostsend ibuverbspostsend uses cmd.wqesize from userspace without any validation before passing it to kmalloc and using the allocated buffer as struct ibuverbssendwr. If a...

Linux Distros Unpatched Vulnerability : CVE-2026-45856

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - RDMA/uverbs: Validate wqesize before using it in ibuverbspostsend ibuverbspostsend uses cmd.wqesize from userspace without any validation before passing it to...