EUVD-2026-38837

In the Linux kernel, the following vulnerability has been resolved: KVM: Reject wrapped offset in kvmresetdirtygfn kvmresetdirtygfn guards the gfn range with if !memslot || offset + flsmask = memslot-npages return; but offset is u64 and the addition is unchecked. The check can be silently bypasse...

PT-2026-51863

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An integer overflow exists in the kvm reset dirty gfn function within the Kernel-based Virtual Machine KVM component. A local attacker with access to /dev/kvm can manipulate dirty ring...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: fixed access to stale wptr mapping. Use drmexec to take both locks—i.e., vmrootbo and wptrobjbo—to properly access the mapping data. This fixes the security issue where wptrobj is unmapped while a queue creation...

CVE-2026-46311

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: fix access to stale wptr mapping Use drmexec to take both locks i.e vm root bo and wptrobj bo to access the mapping data properly. This fixes the security issue of unmap the wptrobj while a queue creation is in...

CVE-2026-46311 drm/amdgpu/userq: fix access to stale wptr mapping

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: fix access to stale wptr mapping Use drmexec to take both locks i.e vm root bo and wptrobj bo to access the mapping data properly. This fixes the security issue of unmap the wptrobj while a queue creation is in...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the fact that when an internal mapping in a mapping array or mapping htab is updated or deleted, the mapping...