{"id":"CVE-2023-47233","title":"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","summary":"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 exp…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-416"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel <= 6.5.10"],"published":"2023-11-03","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:17:10.727","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-47233","references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1216702","label":"cve@mitre.org"},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f7352557a35ab7888bc7831411ec8a3cbe20d78","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html","label":"cve@mitre.org"},{"url":"https://lore.kernel.org/all/20231104054709.716585-1-zyytlz.wz%40163.com/","label":"cve@mitre.org"},{"url":"https://marc.info/?l=linux-kernel&m=169907678011243&w=2","label":"cve@mitre.org"},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1216702","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f7352557a35ab7888bc7831411ec8a3cbe20d78","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lore.kernel.org/all/20231104054709.716585-1-zyytlz.wz%40163.com/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://marc.info/?l=linux-kernel&m=169907678011243&w=2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00315,"epssPercentile":0.24312,"ingestedAt":"2026-10-15T03:30:12.631Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-03-06T15:54:23.860050Z"},"slug":"CVE-2023-47233","body":"## Overview\n\nThe 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.\n\n## Affected\n\n- `linux_kernel <= 6.5.10`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}