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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2021-47456

Change History

CVE Modified by CISA-ADP 6/17/2026 12:17:30 AM

Action Type Old Value New Value
Added Affected 

                  
                
              		

              
                
                  
                  
                    
[{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"e6d9c80b7ca1","status":"affected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"3.4","status":"affected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"0","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"4.4.290","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"4.9.288","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"4.14.253","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"4.19.214","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"5.4.156","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"5.10.76","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"5.14.15","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"5.15","status":"unaffected"}]}]

                  
                
              		
            

            

              Added
              SSVC

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
{"timestamp":"2024-05-22T14:47:53.013850Z","id":"CVE-2021-47456","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}

                  
                
              		
            

          
        

      

      

        

          CVE Modified by kernel.org
            6/17/2026 12:17:30 AM
        


        

          
            

              Action
              Type
              Old Value
              New Value
            

          

          
            

              Added
              Affected

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/net/can/sja1000/peak_pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd","lessThan":"1c616528ba4aeb1125a06b407572ab7b56acae38","versionType":"git","status":"affected"},{"version":"e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd","lessThan":"447d44cd2f67a20b596ede3ca3cd67086dfd9ca9","versionType":"git","status":"affected"},{"version":"e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd","lessThan":"34914971bb3244db4ce2be44e9438a9b30c56250","versionType":"git","status":"affected"},{"version":"e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd","lessThan":"adbda14730aacce41c0d3596415aa39ad63eafd9","versionType":"git","status":"affected"},{"version":"e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd","lessThan":"1248582e47a9f7ce0ecd156c39fc61f8b6aa3699","versionType":"git","status":"affected"},{"version":"e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd","lessThan":"28f28e4bc3a5e0051faa963f10b778ab38c1db69","versionType":"git","status":"affected"},{"version":"e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd","lessThan":"0e5afdc2315b0737edcf55bede4ee1640d2d464d","versionType":"git","status":"affected"},{"version":"e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd","lessThan":"949fe9b35570361bc6ee2652f89a0561b26eec98","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/net/can/sja1000/peak_pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"3.4","status":"affected"},{"version":"0","lessThan":"3.4","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"}]}]