MEDIUM 4.3 Microsoft
CVE-2023-47233
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.
Microsoft Security Update 2023-Nov: 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.
Affected Products
- cbl2 kernel 5.15.158.2-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-47233
- https://nvd.nist.gov/vuln/detail/CVE-2023-47233
This medium severity vulnerability with a CVSS score of 4.3 was published on 2023-11-14 via Microsoft. Affected: cbl2 kernel 5.15.158.2-1 on CBL Mariner 2.0.
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