Skip to content
Fencer Vulns
medium 6.8

CVE-2023-2002 json

A vulnerability was found in the HCI sockets implementation due to a missing capability check in net/bluetooth/hci_sock.c in the Linux Kern…

published 2023-05-26 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-33532

cvss
6.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

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.

Patch / fix

  • linux linux_kernel 6.4
  • linux Debian 14, Debian 13, Debian 12 6.1.27-1

debian advisories DEBIAN-CVE-2023-2002

  • linux Ubuntu 20.04 LTS 5.4.0-162.179
  • linux Ubuntu 22.04 LTS 5.15.0-79.86
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1109.118
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1042.47
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1112.121
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1039.47
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1039.44
  • linux-ibm Ubuntu 20.04 LTS 5.4.0-1056.61

ubuntu advisories UBUNTU-CVE-2023-2002

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-rt RHEL 9 5.14.0-284.18.1.rt14.303.el9_2
  • kernel-rt-kvm RHEL 9 5.14.0-284.18.1.rt14.303.el9_2
  • kernel-rt-core RHEL 9 5.14.0-284.18.1.rt14.303.el9_2
  • kernel-rt-modules RHEL 9 5.14.0-284.18.1.rt14.303.el9_2
  • kernel-rt-debug-kvm RHEL 9 5.14.0-284.18.1.rt14.303.el9_2
  • kernel-rt-debug-core RHEL 9 5.14.0-284.18.1.rt14.303.el9_2
  • kernel-rt-modules-core RHEL 9 5.14.0-284.18.1.rt14.303.el9_2
  • kernel-rt-debug-modules RHEL 9 5.14.0-284.18.1.rt14.303.el9_2

red hat advisories RHSA-2023:4138RHSA-2023:4137RHSA-2023:3708RHSA-2023:3723RHSA-2023:5244RHSA-2023:4962

  • dtb-aarch64 openSUSE Leap 15.5 5.14.21-150500.55.7.1
  • kernel-64kb SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.7.1
  • kernel-syms SLE Module for Development Tools 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.7.1
  • kernel-obs-qa openSUSE Leap 15.5 5.14.21-150500.55.7.1
  • kernel-source SLE Module for Development Tools 15 SP5, SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.7.1
  • kernel-default SLE Workstation Extension 15 SP5, SLE Module for Legacy 15 SP5, SLE Module for Basesystem 15 SP5 +3 more 5.14.21-150500.55.7.1
  • kernel-kvmsmall openSUSE Leap 15.5 5.14.21-150500.55.7.1
  • kernel-zfcpdump SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.7.1

suse advisories SUSE-SU-2023:3153-1SUSE-SU-2023:3116-1SUSE-SU-2023:3111-1SUSE-SU-2023:3107-1SUSE-SU-2023:3104-1SUSE-SU-2023:3083-1

  • kernel AlmaLinux 8 4.18.0-477.27.2.el8_8
  • perf AlmaLinux 8 4.18.0-477.27.2.el8_8
  • bpftool AlmaLinux 8 4.18.0-477.27.2.el8_8
  • kernel-core AlmaLinux 8 4.18.0-477.27.2.el8_8
  • kernel-tools AlmaLinux 8 4.18.0-477.27.2.el8_8
  • python3-perf AlmaLinux 8 4.18.0-477.27.2.el8_8
  • kernel-modules AlmaLinux 8 4.18.0-477.27.2.el8_8
  • kernel-zfcpdump AlmaLinux 8 4.18.0-477.27.2.el8_8

almalinux advisories ALSA-2023:5244ALSA-2023:3708ALSA-2023:3723

  • kernel Rocky Linux 8 4.18.0-477.27.1.el8_8.cloud
  • kernel Rocky Linux 8 4.18.0-477.27.1.el8_8

rocky linux advisories RXSA-2023:5244RLSA-2023:5244

  • kernel CBL-Mariner 2.0 5.15.116.1-2

azure linux advisories AZL-27078

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-2002 updated cvss 6.8

Kernel: bluetooth: Unauthorized management command execution

  • Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-debuginfo-common-x86_64 4.18.0-372.70.1.el8_6, kernel-debuginfo-common-aarch64 4.18.0-372.70.1.el8_6, kernel-debuginfo-common-ppc64le 4.18.0-372.70.1.el8_6
    fixed: vendor fix RHSA-2023:4789
  • Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-debuginfo-common-s390x 5.14.0-70.64.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.64.1.el9_0, kernel-debuginfo-common-aarch64 5.14.0-70.64.1.el9_0, kernel-debuginfo-common-ppc64le 5.14.0-70.64.1.el9_0
    fixed: vendor fix RHSA-2023:4137
  • Red Hat Enterprise Linux AppStream (v. 9) perf 5.14.0-284.18.1.el9_2, rtla 5.14.0-284.18.1.el9_2, kernel-devel-matched 5.14.0-284.18.1.el9_2, kernel-64k-devel-matched 5.14.0-284.18.1.el9_2, kernel-debug-devel-matched 5.14.0-284.18.1.el9_2, kernel-debuginfo-common-s390x 5.14.0-284.18.1.el9_2, +5 more
    fixed: vendor fix RHSA-2023:3723
  • Red Hat Enterprise Linux AppStream EUS (v.9.0) perf 5.14.0-70.64.1.el9_0, kernel-devel-matched 5.14.0-70.64.1.el9_0, kernel-debug-devel-matched 5.14.0-70.64.1.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.64.1.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.64.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.64.1.el9_0, +2 more
    fixed: vendor fix RHSA-2023:4137
  • Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-477.27.1.el8_8, kernel 4.18.0-477.27.1.el8_8, bpftool 4.18.0-477.27.1.el8_8, kernel-core 4.18.0-477.27.1.el8_8, kernel-tools 4.18.0-477.27.1.el8_8, python3-perf 4.18.0-477.27.1.el8_8, +15 more
    fixed: vendor fix RHSA-2023:5244
  • Red Hat Enterprise Linux BaseOS (v. 9) bpftool 7.0.0-284.18.1.el9_2, kernel 5.14.0-284.18.1.el9_2, kernel-64k 5.14.0-284.18.1.el9_2, kernel-core 5.14.0-284.18.1.el9_2, kernel-tools 5.14.0-284.18.1.el9_2, python3-perf 5.14.0-284.18.1.el9_2, +28 more
    fixed: vendor fix RHSA-2023:3723
  • Red Hat Enterprise Linux BaseOS AUS (v.8.4) perf 4.18.0-305.103.1.el8_4, kernel 4.18.0-305.103.1.el8_4, bpftool 4.18.0-305.103.1.el8_4, kernel-core 4.18.0-305.103.1.el8_4, kernel-tools 4.18.0-305.103.1.el8_4, python3-perf 4.18.0-305.103.1.el8_4, +8 more Red Hat Enterprise Linux BaseOS E4S (v.8.4) perf 4.18.0-305.103.1.el8_4, kernel 4.18.0-305.103.1.el8_4, bpftool 4.18.0-305.103.1.el8_4, kernel-core 4.18.0-305.103.1.el8_4, kernel-tools 4.18.0-305.103.1.el8_4, python3-perf 4.18.0-305.103.1.el8_4, +15 more
    fixed: vendor fix RHSA-2023:4962
  • Red Hat Enterprise Linux BaseOS EUS (v.8.6) perf 4.18.0-372.70.1.el8_6, kernel 4.18.0-372.70.1.el8_6, bpftool 4.18.0-372.70.1.el8_6, kernel-core 4.18.0-372.70.1.el8_6, kernel-tools 4.18.0-372.70.1.el8_6, python3-perf 4.18.0-372.70.1.el8_6, +15 more
    fixed: vendor fix RHSA-2023:4789
show 22 more
  • Red Hat Enterprise Linux BaseOS EUS (v.9.0) kernel 5.14.0-70.64.1.el9_0, bpftool 5.14.0-70.64.1.el9_0, kernel-core 5.14.0-70.64.1.el9_0, kernel-tools 5.14.0-70.64.1.el9_0, python3-perf 5.14.0-70.64.1.el9_0, kernel-modules 5.14.0-70.64.1.el9_0, +14 more
    fixed: vendor fix RHSA-2023:4137
  • Red Hat Enterprise Linux BaseOS TUS (v.8.4) perf 4.18.0-305.103.1.el8_4, kernel 4.18.0-305.103.1.el8_4, bpftool 4.18.0-305.103.1.el8_4, kernel-core 4.18.0-305.103.1.el8_4, kernel-tools 4.18.0-305.103.1.el8_4, python3-perf 4.18.0-305.103.1.el8_4, +8 more
    fixed: vendor fix RHSA-2023:4962
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-1160.118.1.el7, kernel 3.10.0-1160.118.1.el7, bpftool 3.10.0-1160.118.1.el7, python-perf 3.10.0-1160.118.1.el7, kernel-tools 3.10.0-1160.118.1.el7, kernel-tools-libs 3.10.0-1160.118.1.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1160.118.1.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1160.118.1.el7
    fixed: vendor fix RHSA-2024:2004
  • Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-477.27.1.el8_8, kernel-debuginfo-common-aarch64 4.18.0-477.27.1.el8_8, kernel-debuginfo-common-ppc64le 4.18.0-477.27.1.el8_8
    fixed: vendor fix RHSA-2023:5244
  • Red Hat Enterprise Linux CRB (v. 9) kernel-debuginfo-common-s390x 5.14.0-284.18.1.el9_2, kernel-debuginfo-common-x86_64 5.14.0-284.18.1.el9_2, kernel-debuginfo-common-aarch64 5.14.0-284.18.1.el9_2, kernel-debuginfo-common-ppc64le 5.14.0-284.18.1.el9_2
    fixed: vendor fix RHSA-2023:3723
  • Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-trace 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1160.118.1.rt56.1269.el7 Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-kvm 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-trace 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-debug-kvm 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-trace-kvm 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1160.118.1.rt56.1269.el7
    fixed: vendor fix RHSA-2024:2003
  • Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-477.27.1.rt7.290.el8_8, kernel-rt-kvm 4.18.0-477.27.1.rt7.290.el8_8, kernel-rt-core 4.18.0-477.27.1.rt7.290.el8_8, kernel-rt-modules 4.18.0-477.27.1.rt7.290.el8_8, kernel-rt-debug-kvm 4.18.0-477.27.1.rt7.290.el8_8, kernel-rt-debug-core 4.18.0-477.27.1.rt7.290.el8_8, +4 more
    fixed: vendor fix RHSA-2023:5255
  • Red Hat Enterprise Linux NFV (v. 9) kernel-rt 5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-kvm 5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-core 5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-modules 5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-debug-kvm 5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-debug-core 5.14.0-284.18.1.rt14.303.el9_2, +6 more
    fixed: vendor fix RHSA-2023:3708
  • Red Hat Enterprise Linux NFV E4S (v.8.4) kernel-rt 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-kvm 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-core 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-modules 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-debug-kvm 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-debug-core 4.18.0-305.103.1.rt7.178.el8_4, +4 more Red Hat Enterprise Linux NFV TUS (v.8.4) kernel-rt 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-kvm 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-core 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-modules 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-debug-kvm 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-debug-core 4.18.0-305.103.1.rt7.178.el8_4, +4 more
    fixed: vendor fix RHSA-2023:4961
  • Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt 5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-core 5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-modules 5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-debug-core 5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-debug-modules 5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-modules-extra 5.14.0-70.64.1.rt21.135.el9_0, +2 more Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt 5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-kvm 5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-core 5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-modules 5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-debug-kvm 5.14.0-70.64.1.rt21.135.el9_0, kernel-rt-debug-core 5.14.0-70.64.1.rt21.135.el9_0, +4 more
    fixed: vendor fix RHSA-2023:4138
  • Red Hat Enterprise Linux RT (v. 8) kernel-rt 4.18.0-477.27.1.rt7.290.el8_8, kernel-rt-core 4.18.0-477.27.1.rt7.290.el8_8, kernel-rt-modules 4.18.0-477.27.1.rt7.290.el8_8, kernel-rt-debug-core 4.18.0-477.27.1.rt7.290.el8_8, kernel-rt-debug-modules 4.18.0-477.27.1.rt7.290.el8_8, kernel-rt-modules-extra 4.18.0-477.27.1.rt7.290.el8_8, +2 more
    fixed: vendor fix RHSA-2023:5255
  • Red Hat Enterprise Linux RT (v. 9) kernel-rt 5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-core 5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-modules 5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-debug-core 5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-modules-core 5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-debug-modules 5.14.0-284.18.1.rt14.303.el9_2, +4 more
    fixed: vendor fix RHSA-2023:3708
  • Red Hat Enterprise Linux RT TUS (v.8.4) kernel-rt 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-core 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-modules 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-debug-core 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-debug-modules 4.18.0-305.103.1.rt7.178.el8_4, kernel-rt-modules-extra 4.18.0-305.103.1.rt7.178.el8_4, +2 more
    fixed: vendor fix RHSA-2023:4961
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-1160.118.1.el7, kernel 3.10.0-1160.118.1.el7, bpftool 3.10.0-1160.118.1.el7, python-perf 3.10.0-1160.118.1.el7, kernel-kdump 3.10.0-1160.118.1.el7, kernel-tools 3.10.0-1160.118.1.el7, +7 more
    fixed: vendor fix RHSA-2024:2004
  • Red Hat Enterprise Linux Server AUS (v. 7.6) perf 3.10.0-957.114.1.el7, kernel 3.10.0-957.114.1.el7, bpftool 3.10.0-957.114.1.el7, python-perf 3.10.0-957.114.1.el7, kernel-tools 3.10.0-957.114.1.el7, kernel-tools-libs 3.10.0-957.114.1.el7, +2 more
    fixed: vendor fix RHSA-2024:4098
  • Red Hat Enterprise Linux Server AUS (v. 7.7) perf 3.10.0-1062.87.1.el7, kernel 3.10.0-1062.87.1.el7, bpftool 3.10.0-1062.87.1.el7, python-perf 3.10.0-1062.87.1.el7, kernel-tools 3.10.0-1062.87.1.el7, kernel-tools-libs 3.10.0-1062.87.1.el7, +2 more
    fixed: vendor fix RHSA-2024:1746
  • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-1160.118.1.el7, kernel-debuginfo-common-x86_64 3.10.0-1160.118.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-1160.118.1.el7
    fixed: vendor fix RHSA-2024:2004
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.6) kernel-debuginfo-common-x86_64 3.10.0-957.114.1.el7
    fixed: vendor fix RHSA-2024:4098
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.7) kernel-debuginfo-common-x86_64 3.10.0-1062.87.1.el7
    fixed: vendor fix RHSA-2024:1746
  • Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-1160.118.1.el7, kernel 3.10.0-1160.118.1.el7, bpftool 3.10.0-1160.118.1.el7, python-perf 3.10.0-1160.118.1.el7, kernel-tools 3.10.0-1160.118.1.el7, kernel-tools-libs 3.10.0-1160.118.1.el7, +2 more Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1160.118.1.el7
    fixed: vendor fix RHSA-2024:2004
  • Red Hat Virtualization 4 Hypervisor for RHEL 8 perf 4.18.0-372.70.1.el8_6, kernel-debuginfo-common-x86_64 4.18.0-372.70.1.el8_6
    fixed: vendor fix RHSA-2023:4789
  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux AppStream (v. 9) kernel-doc 5.14.0-284.18.1.el9_2
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-24-046-11 updated cvss 6.8

Siemens SCALANCE XCM-/XRM-300

  • Siemens SCALANCE XCH328 (6GK5328-4TS01-2EC2) <V2.4 Siemens SCALANCE XCM324 (6GK5324-8TS01-2AC2) <V2.4 Siemens SCALANCE XCM328 (6GK5328-4TS01-2AC2) <V2.4 Siemens SCALANCE XCM332 (6GK5332-0GA01-2AC2) <V2.4 Siemens SCALANCE XRH334 (24 V DC, 8xFO, CC) (6GK5334-2TS01-2ER3) <V2.4 Siemens SCALANCE XRM334 (2x230 V AC, 8xFO) (6GK5334-2TS01-4AR3) <V2.4
    +5 more products
    Siemens SCALANCE XRM334 (2x230 V AC, 12xFO) (6GK5334-3TS01-4AR3) <V2.4 Siemens SCALANCE XRM334 (24 V DC, 8xFO) (6GK5334-2TS01-2AR3) <V2.4 Siemens SCALANCE XRM334 (24 V DC, 12xFO) (6GK5334-3TS01-2AR3) <V2.4 Siemens SCALANCE XRM334 (230 V AC, 8xFO) (6GK5334-2TS01-3AR3) <V2.4 Siemens SCALANCE XRM334 (230 V AC, 12xFO) (6GK5334-3TS01-3AR3) <V2.4
    affected: fixed in V2.4 support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

1.47% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • openwall.com https://www.openwall.com/lists/oss-security/2023/04/16/3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Affected products

  • n/a Kernel

Classification

Weakness
  • CWE-250 Execution with Unnecessary Privileges
  • CWE-863 Incorrect Authorization
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.