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Vulnerability Change Records for CVE-2026-74340

Change History

New CVE Received from kernel.org 8/15/2026 2:22:34 AM

Action Type Old Value New Value
Added Description

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

wifi: wcn36xx: fix OOB read from firmware count in PRINT_REG_INFO indication

The firmware-controlled rsp->count field is used as the loop bound for
indexing into the flexible rsp->regs[] array without validation against
the message length. A count exceeding the actual data causes out-of-
bounds reads from the heap-allocated message buffer.

Add a check that count fits within the received message.
Added Reference

                  
                
              
https://git.kernel.org/stable/c/0907c06dccae9e3c8d5a68eb9014beec73a36e79
Added Reference

                  
                
              
https://git.kernel.org/stable/c/22b0b8572a64362531dd0ed499b75e16282aeb2b
Added Reference

                  
                
              
https://git.kernel.org/stable/c/23d210877968657bd07e1a517e0b516db20a1d80
Added Reference

                  
                
              
https://git.kernel.org/stable/c/3cf92b44c4fb88a5e8de8733a4494c0956606bca
Added Reference

                  
                
              
https://git.kernel.org/stable/c/64228dfc4247aca178c01e5a37af7d8dcc7a6089
Added Reference

                  
                
              
https://git.kernel.org/stable/c/df2187acfca6c6cca372c5d35f42394d9c270b09
Added Reference

                  
                
              
https://git.kernel.org/stable/c/f03782f7f41f2afee5076a1ef08ced5649218771
Added Reference

                  
                
              
https://git.kernel.org/stable/c/f987efff29a5fe45320ea5991c9d5cb98b676953
Added Affected

                  
                
              
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/net/wireless/ath/wcn36xx/smd.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"43efa3c0f241e04862be8e6a68ff765d36cde1ba","lessThan":"22b0b8572a64362531dd0ed499b75e16282aeb2b","versionType":"git","status":"affected"},{"version":"43efa3c0f241e04862be8e6a68ff765d36cde1ba","lessThan":"3cf92b44c4fb88a5e8de8733a4494c0956606bca","versionType":"git","status":"affected"},{"version":"43efa3c0f241e04862be8e6a68ff765d36cde1ba","lessThan":"0907c06dccae9e3c8d5a68eb9014beec73a36e79","versionType":"git","status":"affected"},{"version":"43efa3c0f241e04862be8e6a68ff765d36cde1ba","lessThan":"64228dfc4247aca178c01e5a37af7d8dcc7a6089","versionType":"git","status":"affected"},{"version":"43efa3c0f241e04862be8e6a68ff765d36cde1ba","lessThan":"23d210877968657bd07e1a517e0b516db20a1d80","versionType":"git","status":"affected"},{"version":"43efa3c0f241e04862be8e6a68ff765d36cde1ba","lessThan":"f03782f7f41f2afee5076a1ef08ced5649218771","versionType":"git","status":"affected"},{"version":"43efa3c0f241e04862be8e6a68ff765d36cde1ba","lessThan":"f987efff29a5fe45320ea5991c9d5cb98b676953","versionType":"git","status":"affected"},{"version":"43efa3c0f241e04862be8e6a68ff765d36cde1ba","lessThan":"df2187acfca6c6cca372c5d35f42394d9c270b09","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/net/wireless/ath/wcn36xx/smd.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"4.11","status":"affected"},{"version":"0","lessThan":"4.11","versionType":"semver","status":"unaffected"},{"version":"5.10.261","lessThanOrEqual":"5.10.*","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":"6.12.97","lessThanOrEqual":"6.12.*","versionType":"semver","status":"unaffected"},{"version":"6.18.40","lessThanOrEqual":"6.18.*","versionType":"semver","status":"unaffected"},{"version":"7.1.5","lessThanOrEqual":"7.1.*","versionType":"semver","status":"unaffected"},{"version":"7.2-rc1","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]