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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2021-4439

Change History

CVE Modified by CISA-ADP 6/17/2026 12:19:45 AM

Action Type Old Value New Value
Added SSVC 

                  
                
              		

              
                
                  
                  
                    
{"timestamp":"2024-06-20T14:46:11.140255Z","id":"CVE-2021-4439","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

                  
                
              		
            

          
        

      

      

        

          CVE Modified by kernel.org
            6/17/2026 12:19:45 AM
        


        

          
            

              Action
              Type
              Old Value
              New Value
            

          

          
            

              Added
              Affected

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/isdn/capi/kcapi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"e8b8de17e164c9f1b7777f1c6f99d05539000036","versionType":"git","status":"affected"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"24219a977bfe3d658687e45615c70998acdbac5a","versionType":"git","status":"affected"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"9b6b2db77bc3121fe435f1d4b56e34de443bec75","versionType":"git","status":"affected"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"7d91adc0ccb060ce564103315189466eb822cc6a","versionType":"git","status":"affected"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"285e9210b1fab96a11c0be3ed5cea9dd48b6ac54","versionType":"git","status":"affected"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"7f221ccbee4ec662e2292d490a43ce6c314c4594","versionType":"git","status":"affected"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"cc20226e218a2375d50dd9ac14fb4121b43375ff","versionType":"git","status":"affected"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"1f3e2e97c003f80c4b087092b225c8787ff91e4d","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/isdn/capi/kcapi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","lessThan":"2.6.12","versionType":"semver","status":"unaffected"},{"version":"4.4.290","lessThanOrEqual":"4.4.*","versionType":"semver","status":"unaffected"},{"version":"4.9.288","lessThanOrEqual":"4.9.*","versionType":"semver","status":"unaffected"},{"version":"4.14.253","lessThanOrEqual":"4.14.*","versionType":"semver","status":"unaffected"},{"version":"4.19.214","lessThanOrEqual":"4.19.*","versionType":"semver","status":"unaffected"},{"version":"5.4.156","lessThanOrEqual":"5.4.*","versionType":"semver","status":"unaffected"},{"version":"5.10.76","lessThanOrEqual":"5.10.*","versionType":"semver","status":"unaffected"},{"version":"5.14.15","lessThanOrEqual":"5.14.*","versionType":"semver","status":"unaffected"},{"version":"5.15","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]