CVE-2023-47233

Name	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3840-1, DLA-3842-1, DSA-5658-1, DSA-5681-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye (security), bullseye	5.10.223-1	fixed
	bookworm	6.1.106-3	fixed
	bookworm (security)	6.1.99-1	fixed
	trixie	6.10.6-1	fixed
	sid	6.10.9-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin
linux	source	buster	4.19.316-1	DLA-3840-1
linux	source	bullseye	5.10.216-1	DSA-5681-1
linux	source	bookworm	6.1.85-1	DSA-5658-1
linux	source	(unstable)	6.7.12-1
linux-5.10	source	buster	5.10.216-1~deb10u1	DLA-3842-1

https://bugzilla.suse.com/show_bug.cgi?id=1216702
https://git.kernel.org/linus/0f7352557a35ab7888bc7831411ec8a3cbe20d78 (6.9-rc1)