CVE-2026-45877

CVE-2026-45877 concerns the Linux kernel HID driver for Intel ISH. The issue is a NULL-pointer dereference in ishtp_bus_remove_all_clients during a warm reset when cl->device may be NULL while clients are enumerated, leading to a kernel panic. Multiple sources (NVD, Red Hat, SUSE, Debian/OSV, ...

CVE-2026-45877

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: fix NULL-ptr-deref in ishtpbusremoveallclients During a warm reset flow, the cl-device pointer may be NULL if the reset occurs while clients are still being enumerated. Accessing cl-device-referencecount witho...