CVE-2023-47233CWE-416

CVE-2023-47233

Medium · published November 4, 2023

CVSS v3.1
4.3
EPSS
0%
Percentile
23.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00315 · 23.2th percentile
Weakness
CWE-416 · Use After Free
Published
2023-11-04T01:15Z
Affected products (1)
ProductVersionsFixed in
linux/linux_kernel≤ 6.5.10—
References (13)
https://bugzilla.suse.com/show_bug.cgi?id=1216702 · [email protected]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]https://marc.info/?l=linux-kernel&m=169907678011243&w=2 · [email protected]https://bugzilla.suse.com/show_bug.cgi?id=1216702 · af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f7352557a35ab7888bc7831411ec8a3cbe20d78 · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html · af854a3a-2127-422b-91ae-364da2661108https://lore.kernel.org/all/20231104054709.716585-1-zyytlz.wz%40163.com/ · af854a3a-2127-422b-91ae-364da2661108https://marc.info/?l=linux-kernel&m=169907678011243&w=2 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-265688.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 03 NOV 00:00Z
    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)…
    cvelistv5