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Vulnerability · Published Nov 3, 2023 · Assigned by mitre

CVE-2023-47233

Medium 4.3

In plain English

A medium-severity use-after-free in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 69.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.85-1DSA-5658-1
Debian:12linux6.1.85-1DEBIAN-CVE-2023-47233
Debian:13linux6.7.12-1DEBIAN-CVE-2023-47233
Debian:14linux6.7.12-1DEBIAN-CVE-2023-47233
Ubuntu:22.04:LTSlinux5.15.0-107.117USN-6775-1
Ubuntu:22.04:LTSlinux5.15.0-107.117UBUNTU-CVE-2023-47233
Ubuntu:24.04:LTSlinux6.8.0-35.35UBUNTU-CVE-2023-47233
Ubuntu:24.04:LTSlinux6.8.0-35.35USN-6816-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-aws5.15.0-1062.68UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-aws5.15.0-1062.68USN-6775-2
Ubuntu:24.04:LTSlinux-aws6.8.0-1009.9USN-6817-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1009.9UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-aws-6.56.5.0-1020.20~22.04.1USN-6774-1
Ubuntu:22.04:LTSlinux-aws-6.56.5.0-1020.20~22.04.1UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-azure5.15.0-1064.73UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-azure5.15.0-1064.73USN-6775-1
Ubuntu:24.04:LTSlinux-azure6.8.0-1008.8USN-6817-3
Ubuntu:24.04:LTSlinux-azure6.8.0-1008.8UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1021.22~22.04.1USN-6774-1
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1021.22~22.04.1UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1064.73.1UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1064.73.1USN-6775-1
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-gcp5.15.0-1060.68USN-6775-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1060.68UBUNTU-CVE-2023-47233
Ubuntu:24.04:LTSlinux-gcp6.8.0-1008.9UBUNTU-CVE-2023-47233
Ubuntu:24.04:LTSlinux-gcp6.8.0-1008.9USN-6817-1
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1020.20~22.04.1USN-6774-1
Ubuntu:22.04:LTSlinux-gcp-6.56.5.0-1020.20~22.04.1UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-gke5.15.0-1059.64USN-6775-2
Ubuntu:22.04:LTSlinux-gke5.15.0-1059.64UBUNTU-CVE-2023-47233
Ubuntu:24.04:LTSlinux-gke6.8.0-1004.7USN-6817-3
Ubuntu:24.04:LTSlinux-gke6.8.0-1004.7UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1045.52UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1045.52USN-6775-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-35.35~22.04.1UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-hwe-6.56.5.0-35.35~22.04.1USN-6774-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1055.58USN-6775-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1055.58UBUNTU-CVE-2023-47233
Ubuntu:24.04:LTSlinux-ibm6.8.0-1006.6UBUNTU-CVE-2023-47233
Ubuntu:24.04:LTSlinux-ibm6.8.0-1006.6USN-6816-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1057.63UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1057.63USN-6795-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1059.64USN-6775-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1059.64UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-107.117UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-107.117USN-6775-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-35.35.1USN-6816-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-35.35.1UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-35.35.1~22.04.1USN-6774-1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.56.5.0-35.35.1~22.04.1UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1055.56USN-6775-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1055.56UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1019.19UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1019.19USN-6774-1
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1026.26UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1015.15UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1023.24USN-6774-1
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1023.24UBUNTU-CVE-2023-47233
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1006.6USN-6817-2
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1006.6UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-oracle5.15.0-1060.66UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-oracle5.15.0-1060.66USN-6775-1
Ubuntu:24.04:LTSlinux-oracle6.8.0-1006.6UBUNTU-CVE-2023-47233
Ubuntu:24.04:LTSlinux-oracle6.8.0-1006.6USN-6878-1
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1023.23~22.04.1UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-oracle-6.56.5.0-1023.23~22.04.1USN-6774-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1055.58UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-raspi5.15.0-1055.58USN-6775-1
Ubuntu:24.04:LTSlinux-raspi6.8.0-1005.5UBUNTU-CVE-2023-47233
Ubuntu:24.04:LTSlinux-raspi6.8.0-1005.5USN-6816-1
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-47233
Ubuntu:24.04:LTSlinux-riscv6.8.0-35.35.1UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-riscv-6.56.5.0-35.35.1~22.04.1UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1014.15~22.04.1UBUNTU-CVE-2023-47233
Ubuntu:22.04:LTSlinux-starfive-6.56.5.0-1014.15~22.04.1USN-6774-1
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1030.34UBUNTU-CVE-2023-47233

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-416 · Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References