Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ublkdrv: A NULL pointer dereference issue was fixed in ublkctrlstartrecovery. When two UBLKCMDSTARTUSERRECOVERY commands are submitted, the first one sets ‘ubq-ubqdaemon’ to NULL, and the second one triggers a WARN in...

EUVD-2026-39235

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix NULL dereference in getqueueids When usrqueueidarray is NULL and numqueues is non-zero, getqueueids returns NULL. The callers check only ISERR on the return value; since ISERRNULL == false the check passes, and...

CVE-2026-53144 drm/amdkfd: fix NULL dereference in get_queue_ids()

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix NULL dereference in getqueueids When usrqueueidarray is NULL and numqueues is non-zero, getqueueids returns NULL. The callers check only ISERR on the return value; since ISERRNULL == false the check passes, and...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xen-netback: Rejects configurations with a zero queue count from guests. A malicious or faulty Xen guest can set the value of the xenbus key “multi-queue-num-queues” to “0”. The connect function in the backend only validates the...

Linux Distros Unpatched Vulnerability : CVE-2026-45890

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xen-netback: reject zero-queue configuration from guest A malicious or buggy Xen guest can write 0 to the xenbus key multi-queue-num-queues. The connect functio...

kernel: Linux kernel: integer overflow and information disclosure via undefined shift operation in drm/amdkfd

A flaw was found in the Linux kernel’s AMD Kernel Fusion Driver amdkfd within the drm subsystem. When either getnumsdmaqueues or getnumxgmisdmaqueues returned 0, the driver performed a bit shift where the number of bits shifted equaled the operand width. Such a shift is undefined behavior in C an...

PT-2026-43757

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the xen-netback component allows a malicious or buggy Xen guest to cause a guest-to-host denial of service on systems where panic on warn is set to 1. The issue occurs because...