CVE-2023-47233

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.

References

https://marc.info/?l=linux-kernel&m=169907678011243&w=2

https://lore.kernel.org/all/20231104054709.716585-1-zyytlz.wz%40163.com/

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f7352557a35ab7888bc7831411ec8a3cbe20d78

https://bugzilla.suse.com/show_bug.cgi?id=1216702

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3