CVE-2021-47051

spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware()

Published: 2/28/2024 Last updated: 5/4/2025 Reserved: 2/27/2024

In the Linux kernel, the following vulnerability has been resolved: spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware() pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced.

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

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt 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 (2)

Product	Vendor	Version
Linux	Linux	< ef421b4d206f0d3681804b8f94f06a8458a53aaf
Linux	Linux	< 6.13

CVE-2021-47051

spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware()

Opam packages affected (27)

Products affected (2)

References (10)