Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-36980 |
CWE-ID | CWE-416 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
SUSE Linux Enterprise Storage Operating systems & Components / Operating system SUSE Manager Retail Branch Server Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Manager Proxy Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE Linux Enterprise Module for Server Applications Operating systems & Components / Operating system SUSE Linux Enterprise Module for Packagehub Subpackages Operating systems & Components / Operating system package or component ovn-doc Operating systems & Components / Operating system package or component openvswitch-doc Operating systems & Components / Operating system package or component python3-ovs Operating systems & Components / Operating system package or component ovn-vtep-debuginfo Operating systems & Components / Operating system package or component ovn-vtep Operating systems & Components / Operating system package or component ovn-host-debuginfo Operating systems & Components / Operating system package or component ovn-host Operating systems & Components / Operating system package or component ovn-docker Operating systems & Components / Operating system package or component ovn-devel Operating systems & Components / Operating system package or component ovn-debuginfo Operating systems & Components / Operating system package or component ovn-central-debuginfo Operating systems & Components / Operating system package or component ovn-central Operating systems & Components / Operating system package or component ovn Operating systems & Components / Operating system package or component openvswitch-vtep-debuginfo Operating systems & Components / Operating system package or component openvswitch-vtep Operating systems & Components / Operating system package or component openvswitch-test-debuginfo Operating systems & Components / Operating system package or component openvswitch-test Operating systems & Components / Operating system package or component openvswitch-pki Operating systems & Components / Operating system package or component openvswitch-ipsec Operating systems & Components / Operating system package or component openvswitch-devel Operating systems & Components / Operating system package or component openvswitch-debugsource Operating systems & Components / Operating system package or component openvswitch-debuginfo Operating systems & Components / Operating system package or component openvswitch Operating systems & Components / Operating system package or component libovn-20_06-0-debuginfo Operating systems & Components / Operating system package or component libovn-20_06-0 Operating systems & Components / Operating system package or component libopenvswitch-2_14-0-debuginfo Operating systems & Components / Operating system package or component libopenvswitch-2_14-0 Operating systems & Components / Operating system package or component |
Vendor | SUSE |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU55006
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-36980
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action. A remote attacker can send a specially crafted request to the system, trigger a use-after-free error and execute arbitrary code.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationUpdate the affected package openvswitch to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Storage: 7.1
SUSE Manager Retail Branch Server: 4.2
openSUSE Leap: 15.3
SUSE Manager Server: 4.2
SUSE Manager Proxy: 4.2
SUSE Linux Enterprise Server for SAP Applications: 15-SP3
SUSE Linux Enterprise Server: 15-SP3
SUSE Linux Enterprise High Performance Computing: 15-SP3
SUSE Linux Enterprise Module for Packagehub Subpackages: 15-SP3
SUSE Linux Enterprise Module for Server Applications: 15-SP3
ovn-doc: before 20.06.2-150300.19.3.1
openvswitch-doc: before 2.14.2-150300.19.3.1
python3-ovs: before 2.14.2-150300.19.3.1
ovn-vtep-debuginfo: before 20.06.2-150300.19.3.1
ovn-vtep: before 20.06.2-150300.19.3.1
ovn-host-debuginfo: before 20.06.2-150300.19.3.1
ovn-host: before 20.06.2-150300.19.3.1
ovn-docker: before 20.06.2-150300.19.3.1
ovn-devel: before 20.06.2-150300.19.3.1
ovn-debuginfo: before 20.06.2-150300.19.3.1
ovn-central-debuginfo: before 20.06.2-150300.19.3.1
ovn-central: before 20.06.2-150300.19.3.1
ovn: before 20.06.2-150300.19.3.1
openvswitch-vtep-debuginfo: before 2.14.2-150300.19.3.1
openvswitch-vtep: before 2.14.2-150300.19.3.1
openvswitch-test-debuginfo: before 2.14.2-150300.19.3.1
openvswitch-test: before 2.14.2-150300.19.3.1
openvswitch-pki: before 2.14.2-150300.19.3.1
openvswitch-ipsec: before 2.14.2-150300.19.3.1
openvswitch-devel: before 2.14.2-150300.19.3.1
openvswitch-debugsource: before 2.14.2-150300.19.3.1
openvswitch-debuginfo: before 2.14.2-150300.19.3.1
openvswitch: before 2.14.2-150300.19.3.1
libovn-20_06-0-debuginfo: before 20.06.2-150300.19.3.1
libovn-20_06-0: before 20.06.2-150300.19.3.1
libopenvswitch-2_14-0-debuginfo: before 2.14.2-150300.19.3.1
libopenvswitch-2_14-0: before 2.14.2-150300.19.3.1
CPE2.3https://www.suse.com/support/update/announcement/2022/suse-su-20223116-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.