CVE-2023-47233

Summary

CVE-2023-47233 is a vulnerability affecting the brcm80211 component in the Linux kernel up to version 6.5.10. This issue involves a use-after-free vulnerability in the brcmf_cfg80211_detach function, specifically in the device unplugging (disconnecting USB) code. For attackers with local access, this flaw could potentially be exploited in real-world scenarios. The vulnerability is located in the brcmf_cfg80211_escan_timeout_worker function, which is part of drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c. Successful exploitation could lead to unspecified impacts on the system.

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