PT-2026-94663

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Legacy I/O and memory sysfs handlers fail to verify security locked downLOCKDOWN PCI ACCESS, leaving legacy io and legacy mem files unprotected during kernel lockdown. This allows a root...

Linux Distros Unpatched Vulnerability : CVE-2026-89722

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PCI/sysfs: Fix out-of-bounds read in pciwritelegacyio pciwritelegacyio loads 4 bytes from the kernfs write buffer regardless of how many bytes userspace wrote:...

PT-2026-90438

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read exists in the pci write legacy io function. The issue occurs because the function unconditionally loads 4 bytes from the kernfs write buffer, regardless of whether...

PT-2026-96606

In the Linux kernel, the following vulnerability has been resolved: PCI/sysfs: Fix out-of-bounds read in pci write legacy io pci write legacy io loads 4 bytes from the kernfs write buffer regardless of how many bytes userspace wrote: if count != 1 && count != 2 && count != 4 return -EINVAL; retur...

CVE-2023-53576 null_blk: Always check queue mode setting from configfs

In the Linux kernel, the following vulnerability has been resolved: nullblk: Always check queue mode setting from configfs Make sure to check device queue mode in the nullvalidateconf and return error for NULLQRQ as we don't allow legacy I/O path, without this patch we get OOPs when queue mode is...