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CVE-2023-2002

23
FAUCET Score

CVE-2023-2002 is a medium-severity vulnerability in the Linux Kernel's HCI sockets implementation, specifically affecting Debian-based Linux distributions. It stems from a missing capability check, allowing an authenticated attacker on an adjacent network to execute unauthorized management commands. This can compromise the confidentiality, integrity, and availability of Bluetooth communications. While the CVSS score is 6.8, indicating a moderate risk, there is currently no known public exploit code (Metasploit, Nuclei, ExploitDB), nor is it listed on the KEV catalog. Community discussion and media coverage are also absent, suggesting a low level of active exploitation or public awareness at this time.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
2.1
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.47%
Probability of exploitation in next 30 days
EPSS Percentile
71.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0147 is in the 92nd percentile among its peer group of 314 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (19)

microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.116.1-2 on CBL Mariner 2.0Fixed in: 5.15.116.1-2
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 5.15.116.1-2
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 5.15.116.1-2
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.7 Advanced Update SupportFixed in: kernel-0:3.10.0-1062.87.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-477.27.1.rt7.290.el8_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-477.27.1.el8_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: kernel-0:4.18.0-305.103.1.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: kernel-rt-0:4.18.0-305.103.1.rt7.178.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: kernel-0:4.18.0-305.103.1.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-1160.118.1.rt56.1269.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: kernel-0:4.18.0-372.70.1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-284.18.1.el9_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt-0:5.14.0-284.18.1.rt14.303.el9_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: kernel-0:5.14.0-70.64.1.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: kernel-rt-0:5.14.0-70.64.1.rt21.135.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-372.70.1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsFixed in: kernel-0:4.18.0-305.103.1.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-1160.118.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.6 Advanced Update Support(Disable again in 2026 - SPRHEL-7118)Fixed in: kernel-0:3.10.0-957.114.1.el7
View patch

Vendor Advisories (3)

microsoft2023-Jul/CVE-2023-2002

CVE-2023-2002

Jul 11, 2023
microsoft2023-May/CVE-2023-2002Moderate

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.

May 9, 2023
redhatCVE-2023-2002Moderate

Kernel: bluetooth: Unauthorized management command execution

Apr 16, 2023

References

lists.debian.org / debian-lts-announce/2023/07/msg00030.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2023/10/msg00027.html
Mailing ListThird Party Advisory
security.netapp.com / advisory/ntap-20240202-0004
debian.org / security/2023/dsa-5480
Third Party Advisory
openwall.com / lists/oss-security/2023/04/16/3
ExploitMailing ListThird Party Advisory