DEBIAN-CVE-2023-47233

Advisory lineage Upstream: 1 Downstream: 4
Published: 03 Nov 2023, 21:15
Last modified:28 Apr 2026, 20:26

Vulnerability Summary

Overall Risk (default)
low
17/100
CVSS Score
4.3 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

03 Nov 2023, 21:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:26
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1MEDIUMScore: 4.3CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debianlinux

    < 5.10.216-1 | < 6.1.85-1 | < 6.7.12-1 | < 6.7.12-1

References (1)