U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2021-47238

Change History

CVE Modified by CISA-ADP 6/17/2026 12:16:58 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":"24803f38a5c0","lessThan":"0dc13e75507f","versionType":"custom","status":"affected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"],"versions":[{"version":"24803f38a5c0","lessThan":"6cff57eea334","versionType":"custom","status":"affected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"],"versions":[{"version":"24803f38a5c0","lessThan":"1e28018b5c83","versionType":"custom","status":"affected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"24803f38a5c0","lessThan":"3dd2aeac2e96","versionType":"custom","status":"affected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"24803f38a5c0","lessThan":"ac31cc837caf","versionType":"custom","status":"affected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"24803f38a5c0","lessThan":"77de6ee73f54","versionType":"custom","status":"affected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"24803f38a5c0","lessThan":"d8e2973029b8","versionType":"custom","status":"affected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"4.9","status":"affected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"],"versions":[{"version":"0","lessThan":"4.9","versionType":"custom","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*"],"versions":[{"version":"4.9.274","lessThanOrEqual":"5.0","versionType":"custom","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"4.14.238","lessThanOrEqual":"4.15","versionType":"custom","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"4.19.196","lessThanOrEqual":"4.20","versionType":"custom","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"5.4.128","lessThanOrEqual":"5.5","versionType":"custom","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"5.10.46","lessThanOrEqual":"5.11","versionType":"custom","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"5.12.13","lessThanOrEqual":"5.13","versionType":"custom","status":"unaffected"}]},{"vendor":"linux","product":"linux_kernel","defaultStatus":"unknown","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"versions":[{"version":"5.13","status":"unaffected"}]}]

                  
                
              		
            

            

              Added
              SSVC

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
{"timestamp":"2025-05-07T19:57:25.364822Z","id":"CVE-2021-47238","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

                  
                
              		
            

          
        

      

      

        

          CVE Modified by kernel.org
            6/17/2026 12:16:58 AM
        


        

          
            

              Action
              Type
              Old Value
              New Value
            

          

          
            

              Added
              Affected

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["net/ipv4/igmp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"24803f38a5c0b6c57ed800b47e695f9ce474bc3a","lessThan":"0dc13e75507faa17ac9f7562b4ef7bf8fcd78422","versionType":"git","status":"affected"},{"version":"24803f38a5c0b6c57ed800b47e695f9ce474bc3a","lessThan":"6cff57eea3347f79f1867cc53e1093b6614138d8","versionType":"git","status":"affected"},{"version":"24803f38a5c0b6c57ed800b47e695f9ce474bc3a","lessThan":"1e28018b5c83d5073f74a6fb72eabe8370b2f501","versionType":"git","status":"affected"},{"version":"24803f38a5c0b6c57ed800b47e695f9ce474bc3a","lessThan":"3dd2aeac2e9624cff9fa634710837e4f2e352758","versionType":"git","status":"affected"},{"version":"24803f38a5c0b6c57ed800b47e695f9ce474bc3a","lessThan":"ac31cc837cafb57a271babad8ccffbf733caa076","versionType":"git","status":"affected"},{"version":"24803f38a5c0b6c57ed800b47e695f9ce474bc3a","lessThan":"77de6ee73f54a9a89c0afa0bf4c53b239aa9953a","versionType":"git","status":"affected"},{"version":"24803f38a5c0b6c57ed800b47e695f9ce474bc3a","lessThan":"d8e2973029b8b2ce477b564824431f3385c77083","versionType":"git","status":"affected"},{"version":"bd1b664a19403ede448d29c87b2f23796bc7a577","versionType":"git","status":"affected"},{"version":"b38c6e0bd5b5e439ecebdc0df599d573c2f610f8","versionType":"git","status":"affected"},{"version":"3.2.87","lessThan":"3.3","versionType":"semver","status":"affected"},{"version":"3.16.42","lessThan":"3.17","versionType":"semver","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["net/ipv4/igmp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"4.9","status":"affected"},{"version":"0","lessThan":"4.9","versionType":"semver","status":"unaffected"},{"version":"4.9.274","lessThanOrEqual":"4.9.*","versionType":"semver","status":"unaffected"},{"version":"4.14.238","lessThanOrEqual":"4.14.*","versionType":"semver","status":"unaffected"},{"version":"4.19.196","lessThanOrEqual":"4.19.*","versionType":"semver","status":"unaffected"},{"version":"5.4.128","lessThanOrEqual":"5.4.*","versionType":"semver","status":"unaffected"},{"version":"5.10.46","lessThanOrEqual":"5.10.*","versionType":"semver","status":"unaffected"},{"version":"5.12.13","lessThanOrEqual":"5.12.*","versionType":"semver","status":"unaffected"},{"version":"5.13","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]