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Fencer Vulns
low 3.5

CVE-2022-3563 json

Linux Kernel BlueZ mgmt-tester.c read_50_controller_cap_complete null pointer dereference

published 2022-10-17 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-42927

cvss
3.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 34%
public exploits
0
none known

Summary

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.

Patch / fix

  • bluez bluez 5.65
  • bluez Debian 14, Debian 13, Debian 12 5.65-1

debian advisories DEBIAN-CVE-2022-3563

  • bluez Ubuntu 22.04 LTS 5.64-0ubuntu1.3
  • bluez Ubuntu Pro 16.04 LTS 5.37-0ubuntu5.3+esm4

ubuntu advisories UBUNTU-CVE-2022-3563

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

  • bluez SLE Workstation Extension 15 SP4, SLE Module for Desktop Applications 15 SP4, SLE Module for Basesystem 15 SP4 +1 more 5.62-150400.4.8.1

suse advisories SUSE-SU-2023:0167-1

  • bluez CBL-Mariner 2.0, Azure Linux 3.0 5.63-4

azure linux advisories AZL-29945AZL-34569

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-2022-3563 updated cvss 5.7

bluez: NULL pointer dereference in read_50_controller_cap_complete() in tools/mgmt-tester.c

  • Red Hat Enterprise Linux 6 bluez, bluez-alsa, bluez-cups, bluez-libs, bluez-compat, bluez-gstreamer Red Hat Enterprise Linux 7 bluez, bluez-cups, bluez-libs, bluez-hid2hci
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 bluez, bluez-cups, bluez-libs, bluez-obexd, bluez-hid2hci Red Hat Enterprise Linux 9 bluez, bluez-cups, bluez-libs, bluez-obexd
    affected: no fix planned “Will not fix”

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 SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Linux Kernel

Classification

Weakness
  • CWE-404 Improper Resource Shutdown or Release

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.