CVE-2022-49202

Bluetooth: hci_uart: add missing NULL check in h5_enqueue

Published: 2/26/2025 Last updated: 5/11/2026 Reserved: 2/26/2025

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_uart: add missing NULL check in h5_enqueue Syzbot hit general protection fault in __pm_runtime_resume(). The problem was in missing NULL check. hu->serdev can be NULL and we should not blindly pass &serdev->dev somewhere, since it will cause GPF.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (4)

Product	Vendor	Version
Linux	Linux	Microsoft Windows 10 1703.
Linux	Linux	All Android releases from CAF using the Linux kernel
Linux	Linux	< 10.0.19044.6332
Linux	Linux	< 10.0.26100.6584

CVE-2022-49202

Bluetooth: hci_uart: add missing NULL check in h5_enqueue

Opam packages affected (29)

Products affected (4)

References (8)