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.

Vulnerability Change Records for CVE-2026-64355

Change History

New CVE Received from kernel.org 7/25/2026 6:17:17 AM

Action Type Old Value New Value
Added Description

                  
                
              
In the Linux kernel, the following vulnerability has been resolved:

bpf: Reject fragmented frames in devmap

Devmap broadcast redirects clone the packet for all but the last
destination.

For native XDP, that clone path copies only the linear xdp_frame data,
while fragmented frames keep skb_shared_info in tailroom outside the
linear area. Cloning such a frame leaves XDP_FLAGS_HAS_FRAGS set but
without valid frag metadata, and the later free path can interpret
uninitialized tail data as skb_shared_info, leading to an out-of-bounds
access during frame return.

Reject fragmented native XDP frames in dev_map_enqueue_clone().

Add the same restriction to the generic XDP clone path in
dev_map_redirect_clone(). Generic XDP represents fragmented packets as
nonlinear skbs, and rejecting them here keeps clone-based broadcast
support aligned between native and generic XDP.
Added Reference

                  
                
              
https://git.kernel.org/stable/c/07a4c11ee8ef4abcb39d922e9e410ae269671cdf
Added Reference

                  
                
              
https://git.kernel.org/stable/c/47baddc856ae7e93a565dd9deeb797999b179466
Added Reference

                  
                
              
https://git.kernel.org/stable/c/51d07c12ca411e692c424ecdabf077f1e61a61be
Added Reference

                  
                
              
https://git.kernel.org/stable/c/a9bb2d9c798cb62a4050a991c27b752770c33afe
Added Reference

                  
                
              
https://git.kernel.org/stable/c/aa496720618f1a6054f1c870bf10b4f6c99bf656
Added Reference

                  
                
              
https://git.kernel.org/stable/c/bccbab36ff228e0825eb85d9b0f9b8434cd0a399
Added Reference

                  
                
              
https://git.kernel.org/stable/c/c5b4f5efcb55c1af3fe44ff712d31b7fb098a831
Added Affected

                  
                
              
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["kernel/bpf/devmap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","lessThan":"47baddc856ae7e93a565dd9deeb797999b179466","versionType":"git","status":"affected"},{"version":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","lessThan":"07a4c11ee8ef4abcb39d922e9e410ae269671cdf","versionType":"git","status":"affected"},{"version":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","lessThan":"bccbab36ff228e0825eb85d9b0f9b8434cd0a399","versionType":"git","status":"affected"},{"version":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","lessThan":"c5b4f5efcb55c1af3fe44ff712d31b7fb098a831","versionType":"git","status":"affected"},{"version":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","lessThan":"a9bb2d9c798cb62a4050a991c27b752770c33afe","versionType":"git","status":"affected"},{"version":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","lessThan":"51d07c12ca411e692c424ecdabf077f1e61a61be","versionType":"git","status":"affected"},{"version":"e624d4ed4aa8cc3c69d1359b0aaea539203ed266","lessThan":"aa496720618f1a6054f1c870bf10b4f6c99bf656","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["kernel/bpf/devmap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"5.14","status":"affected"},{"version":"0","lessThan":"5.14","versionType":"semver","status":"unaffected"},{"version":"5.15.212","lessThanOrEqual":"5.15.*","versionType":"semver","status":"unaffected"},{"version":"6.1.178","lessThanOrEqual":"6.1.*","versionType":"semver","status":"unaffected"},{"version":"6.6.145","lessThanOrEqual":"6.6.*","versionType":"semver","status":"unaffected"},{"version":"6.12.96","lessThanOrEqual":"6.12.*","versionType":"semver","status":"unaffected"},{"version":"6.18.39","lessThanOrEqual":"6.18.*","versionType":"semver","status":"unaffected"},{"version":"7.1.4","lessThanOrEqual":"7.1.*","versionType":"semver","status":"unaffected"},{"version":"7.2-rc1","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]