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CVE-2024-43886

drm/amd/display: Add null check in resource_log_pipe_topology_update

Published: 8/26/2024 Last updated: 7/11/2025 Reserved: 8/17/2024

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check in resource_log_pipe_topology_update [WHY] When switching from "Extend" to "Second Display Only" we sometimes call resource_get_otg_master_for_stream on a stream for the eDP, which is disconnected. This leads to a null pointer dereference. [HOW] Added a null check in dc_resource.c/resource_log_pipe_topology_update.

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 (4)

Product Vendor Version
Linux Linux 19.6.0, 19.7.0, 19.8.0, 19.9.0, 19.10.0, 19.11.0, 19.12.0, 20.1.0, 20.2.0, 20.3.0, 20.4.0, 20.5.0, 20.6.0, 20.7.0, 20.8.0, 20.9.0, 20.10.0, 21.1.0
Linux Linux L206-F2G1
Linux Linux n/a
Linux Linux < 6.3.9600.22175

References (4)