Linux Distros Unpatched Vulnerability : CVE-2023-52455

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: iommu: Don't reserve 0-length IOVA region When the bootloader/firmware doesn't setup the...

kernel: iommu: Don't reserve 0-length IOVA region

A flaw was found in the Linux kernel. When the bootloader/firmware does not set up the framebuffers, the address and size are 0 in the "iommu-addresses" property. If the IOVA region is reserved with a 0 length, it corrupts the IOVA rbtree with an entry that has pfnhi pfnlo. If the intent is to us...