RLSA-2026:47040 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xfrm: Duplicate SPI Handling CVE-2025-39797 kernel: lib/buildid: use kernelread for sleepable context CVE-2026-23002 kernel: futex: Drop CLONETHREAD requirement for private default hash...

Linux Distros Unpatched Vulnerability : CVE-2026-53281

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/vt-d: Avoid NULL pointer dereference or refcount corruption Commit 60f030f7418d iommu/vt-d: Avoid use of NULL after WARNONONCE fixed a NULL pointer...

CVE-2024-56668

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix qibatch NULL pointer with nested parent domain The qibatch is allocated when assigning cache tag for a domain. While for nested parent domain, it is missed. Hence, when trying to map pages to the nested parent, NU...