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CVE-2024-43867

drm/nouveau: prime: fix refcount underflow

Published: 8/20/2024 Last updated: 5/11/2026 Reserved: 8/17/2024

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: prime: fix refcount underflow Calling nouveau_bo_ref() on a nouveau_bo without initializing it (and hence the backing ttm_bo) leads to a refcount underflow. Instead of calling nouveau_bo_ref() in the unwind path of drm_gem_object_init(), clean things up manually. (cherry picked from commit 1b93f3e89d03cfc576636e195466a0d728ad8de5)

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 ChakraCore, Microsoft Windows 10 1703.
Linux Linux DP300 V500R002C00,Secospace USG6300 V500R001C00, V500R001C20, V500R001C30, V500R001C50,Secospace USG6500 V500R001C00, V500R001C20, V500R001C30, V500R001C50,Secospace USG6600 V500R001C00, V500R001C20, V500R001C30, V500R001C50,TP3206 V100R002C00,VP9660 V500R002C00, V500R002C10
Linux Linux n/a
Linux Linux Windows RT 8.1

References (18)