CVE-2023-47233

2023-11-0300:00:00

mitre

www.cve.org

cve-2023-47233

use-after-free

device unplugging

physically proximate attackers

local access

real world scenario

brcmf_cfg80211_escan_timeout_worker

broadcom

brcm80211

5.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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.