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CVE-2023-47233 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CNA: CISA-ADPCVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://cert-portal.siemens.com/productcert/html/ssa-265688.html	siemens-SADP
https://bugzilla.suse.com/show_bug.cgi?id=1216702	CVE	Issue TrackingThird Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f7352557a35ab7888bc7831411ec8a3cbe20d78	CVE
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html	CVE
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html	CVE
https://lore.kernel.org/all/20231104054709.716585-1-zyytlz.wz%40163.com/	CVE	Mailing ListPatch
https://marc.info/?l=linux-kernel&m=169907678011243&w=2	CVE	Mailing ListPatch
https://bugzilla.suse.com/show_bug.cgi?id=1216702	[email protected]	Issue TrackingThird Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f7352557a35ab7888bc7831411ec8a3cbe20d78	[email protected]
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html	[email protected]
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html	[email protected]
https://lore.kernel.org/all/20231104054709.716585-1-zyytlz.wz%40163.com/	[email protected]	Mailing ListPatch
https://marc.info/?l=linux-kernel&m=169907678011243&w=2	[email protected]	Mailing ListPatch

see all 13 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-416	Use After Free	[email protected]
CWE-416	Use After Free	CISA-ADP

Affected Products

Product	Versions
linux linux kernel	<= 6.5.10
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.

Change History

13 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	siemens-SADP
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
May 12, 2026	CVE Modified	siemens-SADP
Mar 6, 2025	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
Jun 27, 2024	CVE Modified	[email protected]
Jun 25, 2024	CVE Modified	[email protected]
May 14, 2024	CVE Modified	[email protected]
Mar 25, 2024	CVE Modified	[email protected]
Nov 14, 2023	Initial Analysis	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Nov 4, 2023	CVE Modified	[email protected]