VULNERABILITY INTELLIGENCE

CVE-2023-47233

CVSS score4.3 MEDIUM
EPSS probability0.32%
CISA KEVNot currently listed
Published2023-11-03
Last modified2026-10-15
CVSS vectorCVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-416
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-416

Primary references