CVE-2022-50518

parisc: Fix locking in pdc_iodc_print() firmware call

Published: 10/7/2025 Last updated: 12/23/2025 Reserved: 10/7/2025

In the Linux kernel, the following vulnerability has been resolved: parisc: Fix locking in pdc_iodc_print() firmware call Utilize pdc_lock spinlock to protect parallel modifications of the iodc_dbuf[] buffer, check length to prevent buffer overflow of iodc_dbuf[], drop the iodc_retbuf[] buffer and fix some wrong indentings.

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

Opam packages affected (28)

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 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	MSM8937
Linux	Linux	IPQ8074A
Linux	Linux	all versions of the 6.0.0 branch before 6.0.25
Linux	Linux	SXR1230P

CVE-2022-50518

parisc: Fix locking in pdc_iodc_print() firmware call

Opam packages affected (28)

Products affected (4)

References (6)