CVE-2021-47526

serial: liteuart: Fix NULL pointer dereference in ->remove()

Published: 5/24/2024 Last updated: 5/4/2025 Reserved: 5/24/2024

In the Linux kernel, the following vulnerability has been resolved: serial: liteuart: Fix NULL pointer dereference in ->remove() drvdata has to be set in _probe() - otherwise platform_get_drvdata() causes null pointer dereference BUG in _remove().

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	<= 3.2.25
Linux	Linux	< 587c5892976108674bbe61a8ff659de279318034

References (4)

https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7f
https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557c
https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7f
https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557c