HOMEVULNERABILITIESCVE-2022-3563
MEDIUM

CVE-2022-3563

CWE-404Published: October 17, 2022· Updated: Jun 17, 2026

5.7
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2022-3563 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.7.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

bluez1 product(s)
bluez
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=e3c92f1f786f0b55440bd908b55894d0c792cf0e
PATCHhttps://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=e3c92f1f786f0b55440bd908b55894d0c792cf0e

All References (4)

→
https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=e3c92f1f786f0b55440bd908b55894d0c792cf0ePatch · Third Party Advisory
→
https://vuldb.com/?id.211086Permissions Required
→
https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=e3c92f1f786f0b55440bd908b55894d0c792cf0ePatch · Third Party Advisory
→
https://vuldb.com/?id.211086Permissions Required

Quick Facts

CVE IDCVE-2022-3563
CVSS Score5.7 / 10
SeverityMEDIUM
WeaknessCWE-404
CISA KEVNo
Affected1 vendor(s)
PublishedOct 17, 2022

Related CVEs (CWE-404)

CVE-2025-5867
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CVE-2023-24444
9.8
CVE-2018-8450
8.8
CVE-2026-1876
8.7
CVE-2026-1875
8.7
CVE-2026-11317
8.7

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-3563 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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