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MEDIUM · 4.3

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 ...

Vulnerability 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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
LinuxLinux Kernel<= 6.5.10

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2023-47233?

CVE-2023-47233 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 ...

How severe is CVE-2023-47233?

CVE-2023-47233 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-47233?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.