CVE-2026-53051

A flaw was found in the Linux kernel. During a specific hardware reset sequence, the system attempts to access hardware registers before the PCI Express controller is fully powered on. This premature access can cause a Control Backbone CBB timeout, leading to system unresponsiveness. This issue c...

CVE-2026-53051

CVE-2026-53051: In the Linux kernel, a CBB timeout is caused by DBI access before the controller core is powered on for the Tegra194 PCIe block. Specifically, accesses to PCIE_MISC_CONTROL_1_OFF (0x8bc) occur because pci_epc_deinit_notify() and dw_pcie_ep_cleanup() run before reset_control_deasse...