CVE-2026-53114

A flaw was found in the Linux kernel's performance monitoring unit perf/amd/ibs. An issue exists where calling perfallowkernel from a Non-Maskable Interrupt NMI handler is unsafe. This could lead to a system crash, resulting in a Denial of Service DoS for the affected system...

CVE-2026-53114

CVE-2026-53114 affects the Linux kernel perf/amd/ibs component. The flaw arises from calling perf_allow_kernel() within the IBS NMI handler, which is unsafe and could be fatal. The fix caches the permission at event initialization by storing it in event->hw.flags and makes the NMI handler rely...

PT-2026-52008

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Linux kernel where the perf allow kernel function is called from the IBS NMI handler. Calling this function within the NMI Non-Maskable Interrupt context is unsafe...