Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86 – Nullify irqfd-producer if updating the IRTE for bypass fails If updating the IRTE for bypass fails, nullify irqfd-producer. Leaving a dangling pointer could lead to a “use-after-free” issue if irqfd is still accessible...

CVE-2026-72283

A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine subsystem. This vulnerability occurs when the system fails to update an Interrupt Remapping Table Entry IRTE for a bypass operation, which can leave a pointer to a memory location that has already been freed a 'dangling...

CVE-2026-72283

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Nullify irqfd-producer if updating IRTE for bypass fails Nullify irqfd-producer if updating the IRTE for bypass fails, as leaving a dangling pointer will result in a use-after-free if the irqfd is reachable through KVM'...

CVE-2026-72283

CVE-2026-72283 concerns the Linux kernel's KVM/x86 path. The issue: when updating the IRTE for bypass fails, irqfd->producer is not cleared, creating a potential use-after-free if the irqfd is reachable via KVM routing while the producer is freed separately (e.g., VFIO PCI, where the producer ...

PT-2026-72471

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the KVM x86 component. The problem occurs when updating the Interrupt Routing Table Entry IRTE for bypass fails, leaving a dangling pointer in...