Vulnerabilities > CVE-2023-47233 - Use After Free vulnerability in Linux Kernel

047910
CVSS 4.3 - MEDIUM
Attack vector
PHYSICAL
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
low complexity
linux
CWE-416

Summary

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.

Vulnerable Configurations

Part Description Count
OS
Linux
5382

Common Weakness Enumeration (CWE)