What is the CVSS score of CVE-2022-3563?

CVE-2022-3563 has a CVSS 3.1 base score of 5.7 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.4%.

Is there a patch available for CVE-2022-3563?

Yes, a patch is available for CVE-2022-3563. Update the affected software to the latest version immediately.

Bluez CVE-2022-3563

MEDIUM

Improper Resource Shutdown or Release (CWE-404)

2022-10-17 cna@vuldb.com

Denial Of Service Linux Bluez

5.7

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-404 ASVS 5.0 V15 - Secure Coding and Architecture Resource release
Impact	CVSS score of 5.7 (MEDIUM). Attack characteristics: adjacent network attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.4% exploitation probability (EPSS)

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AnalysisAI

A vulnerability classified as problematic has been found in Linux Kernel. Rated medium severity (CVSS 5.7), this vulnerability is low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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Technical ContextAI · show details

This vulnerability is classified under CWE-404. A vulnerability classified as problematic has been found in Linux Kernel. Affected is the function read_50_controller_cap_complete of the file tools/mgmt-tester.c of the component BlueZ. The manipulation of the argument cap_len leads to null pointer dereference. It is recommended to apply a patch to fix this issue. VDB-211086 is the identifier assigned to this vulnerability. Affected products include: Bluez.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.7 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionNVD

A vulnerability classified as problematic has been found in Linux Kernel. Affected is the function read_50_controller_cap_complete of the file tools/mgmt-tester.c of the component BlueZ. The manipulation of the argument cap_len leads to null pointer dereference. It is recommended to apply a patch to fix this issue. VDB-211086 is the identifier assigned to this vulnerability.

Threat Intelligence Overview

EPSS Score

0.4%

Top 67% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.4%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Controlled

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +28

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:bluez:bluez:*:*:*:*:*:*:*:*

More in Bluez

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6.5 Sep 12

All versions of the SDP server in BlueZ 5.46 and earlier are vulnerable to an information disclosure vulnerability which

CVE-2019-8922 HIGH This Week POC

8.8 Nov 29

A heap-based buffer overflow was discovered in bluetoothd in BlueZ through 5.48. Rated high severity (CVSS 8.8), this vu

CVE-2022-0204 HIGH This Week POC

8.8 Mar 10

A heap overflow vulnerability was found in bluez in versions prior to 5.63. Rated high severity (CVSS 8.8), this vulnera

CVE-2016-9918 HIGH This Week POC

7.5 Dec 08

In BlueZ 5.42, an out-of-bounds read was identified in "packet_hexdump" function in "monitor/packet.c" source file. Rate

CVE-2016-9917 HIGH This Week POC

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CVE-2019-8921 MEDIUM This Month POC

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CVE-2021-41229 MEDIUM This Month POC

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BlueZ is a Bluetooth protocol stack for Linux. Rated medium severity (CVSS 6.5), this vulnerability is no authentication

CVE-2016-9798 MEDIUM This Month POC

5.3 Dec 03

In BlueZ 5.42, a use-after-free was identified in "conf_opt" function in "tools/parser/l2cap.c" source file. Rated mediu

CVE-2016-9797 MEDIUM This Month POC

5.3 Dec 03

In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file. Rated med

CVE-2016-9802 MEDIUM This Month POC

5.3 Dec 03

In BlueZ 5.42, a buffer over-read was identified in "l2cap_packet" function in "monitor/packet.c" source file. Rated med

CVE-2016-9799 MEDIUM This Month POC

5.3 Dec 03

In BlueZ 5.42, a buffer overflow was observed in "pklg_read_hci" function in "btsnoop.c" source file. Rated medium sever

CVE-2016-9803 MEDIUM This Month POC

5.3 Dec 03

In BlueZ 5.42, an out-of-bounds read was observed in "le_meta_ev_dump" function in "tools/parser/hci.c" source file. Rat

Same weakness CWE-404 – Improper Resource Shutdown or Release

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CVE-2022-4066 HIGH POC

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CVE-2025-5867 HIGH POC

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Same technique Denial Of Service

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CVE-2015-5119 CRITICAL POC

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CVE-2011-2462 CRITICAL POC

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CVE-2011-0611 HIGH POC

8.8

CVE-2012-1889 HIGH POC

8.8

CVE-2012-0507 CRITICAL POC

9.8

CVE-2014-1761 HIGH POC

7.8

CVE-2015-5122 CRITICAL POC

9.8

CVE-2011-0609 HIGH POC

7.8

References

Advisories & patches

PATCH https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=e3c92f1f786f0b55440bd908b55894d0c792cf0e ADVISORY https://vuldb.com/vuln/211086 REF https://vuldb.com/?id.211086

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