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CVE-2021-47091

mac80211: fix locking in ieee80211_start_ap error path

Published: 3/4/2024 Last updated: 5/11/2026 Reserved: 2/29/2024

In the Linux kernel, the following vulnerability has been resolved: mac80211: fix locking in ieee80211_start_ap error path We need to hold the local->mtx to release the channel context, as even encoded by the lockdep_assert_held() there. Fix it.

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 12.2(33)SCG6
Linux Linux 12.2(33)SCG7
Linux Linux n/a
Linux Linux iSite PACS, all versions, and IntelliSpace PACS, all versions.

References (12)