CVE-2026-31769

The CVE-2026-31769 issue in the Linux kernel gpib module is resolved by adding a kernel-only descriptor_busy reference count in struct gpib_descriptor to prevent use-after-free of gpib_descriptor objects during concurrent IO ioctl handling (IBRD, IBWRT, IBCMD, IBWAIT). Each IO path increments des...

kernel: usb: hub: Guard against accesses to uninitialized BOS descriptors

In the Linux kernel, the following vulnerability has been resolved: usb: hub: Guard against accesses to uninitialized BOS descriptors Many functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h access fields inside udev-bos without checking if it was allocated and initialized. If...

Important: kernel

Issue Overview: A flaw in the kernel Xen event handler can cause a deadlock with Xen console handling in unprivileged Xen guests. CVE-2023-34324 An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic...