Security Advisory

CVE-2023-47233

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-11-03 00:00:00

Last updated 2026-05-12 10:52:41

Assigner mitre

State PUBLISHED

Description

The brcm80211 component in the Linux kernel through 6.5.10 has a brcmf_cfg80211_detach use-after-free in the device unplugging (disconnect the USB by hotplug) code. For physically proximate attackers with local access, this "could be exploited in a real world scenario." This is related to brcmf_cfg80211_escan_timeout_worker in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c.

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