CVE-2026-89604

A flaw was found in the Linux kernel's efivarfs component. An unprivileged local user can exploit this by repeatedly calling the statfs handler on the efivarfs mount point. This action triggers a flood of calls to the QueryVariableInfo runtime service, which is particularly costly on x86 systems...

PT-2026-90320

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Rate limit statfs handler Ravi reports that statfs may be called by unprivileged users on the efivarfs mount point, which may result in a flood of calls to the QueryVariableInfo runtime service. These calls are...