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Vulnerability Details : CVE-2021-41229

BlueZ is a Bluetooth protocol stack for Linux. In affected versions a vulnerability exists in sdp_cstate_alloc_buf which allocates memory which will always be hung in the singly linked list of cstates and will not be freed. This will cause a memory leak over time. The data can be a very large object, which can be caused by an attacker continuously sending sdp packets and this may cause the service of the target device to crash.
Publish Date : 2021-11-12 Last Update Date : 2022-11-07
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- CVSS Scores & Vulnerability Types

CVSS Score
3.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 401

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2022:2081: bluez security update (Low) oval:com.redhat.rhsa:def:20222081 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-41229

# Product Type Vendor Product Version Update Edition Language
1 Application Bluez Bluez 5.58 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
3 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Bluez Bluez 1
Debian Debian Linux 2

- References For CVE-2021-41229

https://github.com/bluez/bluez/security/advisories/GHSA-3fqg-r8j5-f5xq CONFIRM
https://security.netapp.com/advisory/ntap-20211203-0004/ CONFIRM
https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html
MLIST [debian-lts-announce] 20221024 [SECURITY] [DLA 3157-1] bluez security update
https://lists.debian.org/debian-lts-announce/2021/11/msg00022.html
MLIST [debian-lts-announce] 20211127 [SECURITY] [DLA 2827-1] bluez security update

- Metasploit Modules Related To CVE-2021-41229

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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