CVE-2026-43364

In the Linux kernel, the following vulnerability has been resolved: ublk: fix NULL pointer dereference in ublkctrlsetsize ublkctrlsetsize unconditionally dereferences ub-ubdisk via setcapacityandnotify without checking if it is NULL. ub-ubdisk is NULL before UBLKCMDSTARTDEV completes it is only...

PT-2025-8622 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A NULL pointer dereference issue has been identified in the Linux kernel, specifically in the xen-blkfront component. This issue occurs when a VBD is not fully created and then closed,...

CVE-2021-47319

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: Fix memory leak among suspend/resume procedure The vblk-vqs should be freed before we call initvqs in virtblkrestore...

kernel: Xen Dom0 crash with Windows 2008 R2 64bit DomU + GPLPV

The vbdcreate function in Xen 3.1.2, when the Linux kernel 2.6.18 on Red Hat Enterprise Linux RHEL 5 is used, allows guest OS users to cause a denial of service host OS panic via an attempted access to a virtual CD-ROM device through the blkback driver. NOTE: some of these details are obtained fr...