Vulnerability Details CVE-2021-20286
                A flaw was found in libnbd 1.7.3. An assertion failure in nbd_unlocked_opt_go in ilb/opt.c may lead to denial of service.
                
                    Exploit prediction scoring system (EPSS) score
                    
                        
                            EPSS Score 0.004
                        
                    
                    
                        
                            EPSS Ranking 59.4%
                        
                    
                 
                
                    CVSS Severity
                    
                        
                            CVSS v3 Score 2.7
                        
                    
                    
                        
                            CVSS v2 Score 4.0
                        
                    
                 
                
                
                
                    
                
                
                    
                        Products affected by CVE-2021-20286
                        
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:-
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.1
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.1.1
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.1.2
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.1.3
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.1.4
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.1.5
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.1.6
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.1.7
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.1.8
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.1.9
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.9.6
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.9.7
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.9.8
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:0.9.9
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.0.0
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.0.1
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.0.2
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.0.3
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.1.1
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.1.2
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.1.3
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.1.4
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.1.5
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.1.6
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.1.7
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.1.8
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.1.9
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.2.0
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.2.1
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.2.2
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.2.3
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.2.4
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.1
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.10
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.11
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.12
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.2
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.3
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.4
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.5
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.6
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.7
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.8
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.3.9
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.4.0
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.4.1
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.4.2
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.5.1
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.5.2
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.5.3
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.5.4
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.5.5
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.5.6
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.5.7
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.5.8
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.5.9
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.6.0
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.6.1
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.6.2
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.6.3
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.6.4
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.6.5
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.6.6
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.7.1
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:a:redhat:libnbd:1.7.2
                                        
                                     
                                 
                            
                                
                                - 
                                    
                                    
                                        
                                            cpe:2.3:o:redhat:enterprise_linux:8.3.0