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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2021-47646

Change History

CVE Modified by CISA-ADP 6/17/2026 12:18:14 AM

Action Type Old Value New Value
Added SSVC 

                  
                
              		

              
                
                  
                  
                    
{"timestamp":"2025-02-27T17:59:39.194997Z","id":"CVE-2021-47646","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}

                  
                
              		
            

          
        

      

      

        

          CVE Modified by kernel.org
            6/17/2026 12:18:14 AM
        


        

          
            

              Action
              Type
              Old Value
              New Value
            

          

          
            

              Added
              Affected

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["block/bfq-iosched.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"aee69d78dec0ffdf82e35d57c626e80dddc314d5","lessThan":"f990f0985eda59d4f29fc83fcf300c92b1225d39","versionType":"git","status":"affected"},{"version":"aee69d78dec0ffdf82e35d57c626e80dddc314d5","lessThan":"931aff627469a75c77b9fd3823146d0575afffd6","versionType":"git","status":"affected"},{"version":"aee69d78dec0ffdf82e35d57c626e80dddc314d5","lessThan":"cc051f497eac9d8a0d816cd4bffa3415f2724871","versionType":"git","status":"affected"},{"version":"aee69d78dec0ffdf82e35d57c626e80dddc314d5","lessThan":"65d8a737452e88f251fe5d925371de6d606df613","versionType":"git","status":"affected"},{"version":"aee69d78dec0ffdf82e35d57c626e80dddc314d5","lessThan":"abc2129e646af7b43025d90a071f83043f1ae76c","versionType":"git","status":"affected"},{"version":"aee69d78dec0ffdf82e35d57c626e80dddc314d5","lessThan":"4083925bd6dc89216d156474a8076feec904e607","versionType":"git","status":"affected"},{"version":"aee69d78dec0ffdf82e35d57c626e80dddc314d5","lessThan":"15729ff8143f8135b03988a100a19e66d7cb7ecd","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["block/bfq-iosched.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"4.12","status":"affected"},{"version":"0","lessThan":"4.12","versionType":"semver","status":"unaffected"},{"version":"4.19.238","lessThanOrEqual":"4.19.*","versionType":"semver","status":"unaffected"},{"version":"5.4.189","lessThanOrEqual":"5.4.*","versionType":"semver","status":"unaffected"},{"version":"5.10.110","lessThanOrEqual":"5.10.*","versionType":"semver","status":"unaffected"},{"version":"5.15.33","lessThanOrEqual":"5.15.*","versionType":"semver","status":"unaffected"},{"version":"5.16.19","lessThanOrEqual":"5.16.*","versionType":"semver","status":"unaffected"},{"version":"5.17.2","lessThanOrEqual":"5.17.*","versionType":"semver","status":"unaffected"},{"version":"5.18","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]