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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2025-21991

Change History

CVE Modified by CISA-ADP 6/17/2026 4:44:47 AM

Action Type Old Value New Value
Added SSVC 

                  
                
              		

              
                
                  
                  
                    
{"timestamp":"2025-10-01T17:13:39.419226Z","id":"CVE-2025-21991","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}

                  
                
              		
            

          
        

      

      

        

          CVE Modified by kernel.org
            6/17/2026 4:44:47 AM
        


        

          
            

              Action
              Type
              Old Value
              New Value
            

          

          
            

              Added
              Affected

              
                
                  
                  
                    

                  
                
              		

              
                
                  
                  
                    
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["arch/x86/kernel/cpu/microcode/amd.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"979e197968a1e8f09bf0d706801dba4432f85ab3","lessThan":"d509c4731090ebd9bbdb72c70a2d70003ae81f4f","versionType":"git","status":"affected"},{"version":"44a44b57e88f311c1415be1f567c50050913c149","lessThan":"985a536e04bbfffb1770df43c6470f635a6b1073","versionType":"git","status":"affected"},{"version":"be2710deaed3ab1402379a2ede30a3754fe6767a","lessThan":"18b5d857c6496b78ead2fd10001b81ae32d30cac","versionType":"git","status":"affected"},{"version":"d576547f489c935b9897d4acf8beee3325dea8a5","lessThan":"ec52240622c4d218d0240079b7c1d3ec2328a9f4","versionType":"git","status":"affected"},{"version":"7ff6edf4fef38ab404ee7861f257e28eaaeed35f","lessThan":"e686349cc19e800dac8971929089ba5ff59abfb0","versionType":"git","status":"affected"},{"version":"7ff6edf4fef38ab404ee7861f257e28eaaeed35f","lessThan":"488ffc0cac38f203979f83634236ee53251ce593","versionType":"git","status":"affected"},{"version":"7ff6edf4fef38ab404ee7861f257e28eaaeed35f","lessThan":"5ac295dfccb5b015493f86694fa13a0dde4d3665","versionType":"git","status":"affected"},{"version":"7ff6edf4fef38ab404ee7861f257e28eaaeed35f","lessThan":"e3e89178a9f4a80092578af3ff3c8478f9187d59","versionType":"git","status":"affected"},{"version":"d6353e2fc12c5b8f00f86efa30ed73d2da2f77be","versionType":"git","status":"affected"},{"version":"1b1e0eb1d2971a686b9f7bdc146115bcefcbb960","versionType":"git","status":"affected"},{"version":"eaf5dea1eb8c2928554b3ca717575cbe232b843c","versionType":"git","status":"affected"},{"version":"5.4.235","lessThan":"5.4.292","versionType":"semver","status":"affected"},{"version":"5.10.173","lessThan":"5.10.236","versionType":"semver","status":"affected"},{"version":"5.15.99","lessThan":"5.15.180","versionType":"semver","status":"affected"},{"version":"6.1.16","lessThan":"6.1.132","versionType":"semver","status":"affected"},{"version":"4.14.308","lessThan":"4.15","versionType":"semver","status":"affected"},{"version":"4.19.276","lessThan":"4.20","versionType":"semver","status":"affected"},{"version":"6.2.3","lessThan":"6.3","versionType":"semver","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["arch/x86/kernel/cpu/microcode/amd.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"6.3","status":"affected"},{"version":"0","lessThan":"6.3","versionType":"semver","status":"unaffected"},{"version":"5.4.292","lessThanOrEqual":"5.4.*","versionType":"semver","status":"unaffected"},{"version":"5.10.236","lessThanOrEqual":"5.10.*","versionType":"semver","status":"unaffected"},{"version":"5.15.180","lessThanOrEqual":"5.15.*","versionType":"semver","status":"unaffected"},{"version":"6.1.132","lessThanOrEqual":"6.1.*","versionType":"semver","status":"unaffected"},{"version":"6.6.84","lessThanOrEqual":"6.6.*","versionType":"semver","status":"unaffected"},{"version":"6.12.20","lessThanOrEqual":"6.12.*","versionType":"semver","status":"unaffected"},{"version":"6.13.8","lessThanOrEqual":"6.13.*","versionType":"semver","status":"unaffected"},{"version":"6.14","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]