CVE-2026-53188

creationtimestamp| type| source ---|---|--- 2026-09-15 12:46:43+00:00| seen| https://vulnerability.circl.lu/bundle/0993320a-8372-47e9-a37e-158a64a4e0dc 2026-10-01 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities20261002...

CVE-2026-53188

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate the passed in fops for ibgetucaps Sashiko pointed out it is not safe to rely only on the devt because char/block alias so if the user finds a block device with the same devt it can masquerade as a ucap cdev fd...

UBUNTU-CVE-2026-53188

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate the passed in fops for ibgetucaps Sashiko pointed out it is not safe to rely only on the devt because char/block alias so if the user finds a block device with the same devt it can masquerade as a ucap cdev fd...