Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU79524
Risk: Medium
CVSSv3.1: 4 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-41229
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak in sdp_cstate_alloc_buf() function. A remote attacker can send specially crafted packets to the device and perform denial of service attack.
MitigationUpdate the affected package bluez to the latest version.
Vulnerable software versionsopenSUSE Leap Micro: 5.3 - 5.4
SUSE Linux Enterprise Micro for Rancher: 5.3 - 5.4
SUSE Linux Enterprise Workstation Extension 15: SP4
Desktop Applications Module: 15-SP4
SUSE Linux Enterprise Micro: 5.3 - 5.4
SUSE Linux Enterprise Server for SAP Applications 15: SP4
SUSE Linux Enterprise Server 15: SP4
SUSE Linux Enterprise Real Time 15: SP4
SUSE Linux Enterprise High Performance Computing 15: SP4
SUSE Linux Enterprise Desktop 15: SP4
Basesystem Module: 15-SP4
SUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
openSUSE Leap: 15.4
libbluetooth3-64bit-debuginfo: before 5.62-150400.4.16.1
bluez-devel-64bit: before 5.62-150400.4.16.1
libbluetooth3-64bit: before 5.62-150400.4.16.1
libbluetooth3-32bit-debuginfo: before 5.62-150400.4.16.1
libbluetooth3-32bit: before 5.62-150400.4.16.1
bluez-devel-32bit: before 5.62-150400.4.16.1
bluez-auto-enable-devices: before 5.62-150400.4.16.1
bluez-cups-debuginfo: before 5.62-150400.4.16.1
bluez-deprecated: before 5.62-150400.4.16.1
libbluetooth3-debuginfo: before 5.62-150400.4.16.1
bluez: before 5.62-150400.4.16.1
bluez-cups: before 5.62-150400.4.16.1
bluez-devel: before 5.62-150400.4.16.1
bluez-debugsource: before 5.62-150400.4.16.1
bluez-test-debuginfo: before 5.62-150400.4.16.1
bluez-deprecated-debuginfo: before 5.62-150400.4.16.1
libbluetooth3: before 5.62-150400.4.16.1
bluez-debuginfo: before 5.62-150400.4.16.1
bluez-test: before 5.62-150400.4.16.1
CPE2.3http://www.suse.com/support/update/announcement/2023/suse-su-20233238-1/
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.