# CVE-2023-2002: Missing authorization in Kernel > Missing capability check in Linux Kernel HCI sockets allows attackers to execute unauthorized Bluetooth management commands, compromising system security. - **Severity:** Medium 6.8 (`CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H`) - **Exploited in the wild:** Not known - **Login needed:** Any signed-in user - **Attackable:** Local or same network only - **Victim action needed:** Not needed - **Fix available:** Yes - **Published:** 26 May 2023 - **Updated:** 2 Aug 2024 - **Also known as:** AZL-27078, DEBIAN-CVE-2023-2002, GHSA-vp9w-43wr-g8fj, RHSA-2024:4098, UBUNTU-CVE-2023-2002 ## What is CVE-2023-2002? CVE-2023-2002 is a medium-severity missing authorization vulnerability in Debian Debian Linux, published on 26 May 2023. It can only be exploited from the same machine or local network, with no action from the victim. ### Official description A vulnerability was found in the HCI sockets implementation due to a missing capability check in net/bluetooth/hci_sock.c in the Linux Kernel. This flaw allows an attacker to unauthorized execution of management commands, compromising the confidentiality, integrity, and availability of Bluetooth communication. Weakness: CWE-863 (Incorrect Authorization), CWE-250 (Execution with Unnecessary Privileges) ## Which versions are affected by CVE-2023-2002? It affects 2 products. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `bpftool` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-abi-whitelists` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-debug` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-debug-debuginfo` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-debug-devel` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-debuginfo` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-debuginfo-common-x86_64` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-devel` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-doc` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-tools` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-tools-debuginfo` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-tools-libs` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `kernel-tools-libs-devel` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `perf` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `perf-debuginfo` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `python-perf` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | | `python-perf-debuginfo` | Red Hat:rhel_aus:7.6::server | All versions | 0:3.10.0-957.114.1.el7 | Products: Debian Debian Linux, Linux kernel. ## How do I fix CVE-2023-2002? Apply the vendor's patch. ## Is CVE-2023-2002 being exploited? There is no known exploitation of CVE-2023-2002 in the wild and no public exploit code. Public exploit code: - Linux Bluetooth - Run arbitrary management commands as an unprivileged user (github_poc): https://github.com/lrh2000/CVE-2023-2002 ## Other vulnerabilities in Debian Debian Linux - [CVE-2015-3306](https://insights.sbomify.com/CVE-2015-3306/): ProFTPD Improper Access Control (critical 10.0, exploited in the wild) - [CVE-2025-49113](https://insights.sbomify.com/CVE-2025-49113/): RoundCube Webmail Deserialization of Untrusted Data (critical 9.9, exploited in the wild) - [CVE-2026-24061](https://insights.sbomify.com/CVE-2026-24061/): GNU InetUtils Argument Injection (critical 9.8, exploited in the wild) - [CVE-2025-39682](https://insights.sbomify.com/CVE-2025-39682/): Linux Kernel Improper Check for Unusual or Exceptional Conditions (critical 9.8, exploited in the wild) - [CVE-2024-9680](https://insights.sbomify.com/CVE-2024-9680/): Mozilla Firefox Use-After-Free (critical 9.8, exploited in the wild) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2023-2002 and fix it if it is affected. What it is: CVE-2023-2002 is a medium-severity missing authorization vulnerability in Debian Debian Linux, published on 26 May 2023. It can only be exploited from the same machine or local network, with no action from the victim. Exploitation: There is no known exploitation of CVE-2023-2002 in the wild and no public exploit code. Affected product: Debian Debian Linux. No package-level version data is available, so check the vendor advisory linked from the reference page. Task: 1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies. 2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it. 3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead. 4. Run the tests and summarise what changed and why. 5. If nothing in the project is affected, say so and change nothing. Reference: https://insights.sbomify.com/CVE-2023-2002/ (Markdown: https://insights.sbomify.com/CVE-2023-2002/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2002 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2002 - OSV: https://osv.dev/vulnerability/CVE-2023-2002 --- From sbomify Insights: https://insights.sbomify.com/CVE-2023-2002/ Summaries are generated and may contain mistakes; the official description above is the record.