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Vulnerability Change Records for CVE-2026-74693

Change History

New CVE Received from kernel.org 8/22/2026 12:16:43 PM

Action Type Old Value New Value
Added Description

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

net: prestera: validate firmware header length

prestera_fw_hdr_parse() reads the firmware header before checking
that the firmware image contains that header.

Reject images shorter than struct prestera_fw_header before decoding the
magic and version fields.
Added Reference

                  
                
              
https://git.kernel.org/stable/c/0fbcceb9d19f2d1dcdf099aee590f2517cb718bb
Added Reference

                  
                
              
https://git.kernel.org/stable/c/363e048a9d0a6c245cbc348c8a220170afed046a
Added Reference

                  
                
              
https://git.kernel.org/stable/c/38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240
Added Reference

                  
                
              
https://git.kernel.org/stable/c/470ac9cce7308e60cf2dceb448749cdd006e73de
Added Reference

                  
                
              
https://git.kernel.org/stable/c/6fad06bb793d7089ae05b9fcf46e11be2dfe4850
Added Reference

                  
                
              
https://git.kernel.org/stable/c/7fa8a12296d8d5aa4b1c3904f0b354d81124cf29
Added Reference

                  
                
              
https://git.kernel.org/stable/c/8ae344eb540af3f457179b52bc6061416752485c
Added Reference

                  
                
              
https://git.kernel.org/stable/c/e0f382e8084117f0b11ffb070fe1079e38c0d7f9
Added Affected

                  
                
              
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/net/ethernet/marvell/prestera/prestera_pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"4c2703dfd7fabb0824b3bc345f9fa47e33248c14","lessThan":"38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240","versionType":"git","status":"affected"},{"version":"4c2703dfd7fabb0824b3bc345f9fa47e33248c14","lessThan":"0fbcceb9d19f2d1dcdf099aee590f2517cb718bb","versionType":"git","status":"affected"},{"version":"4c2703dfd7fabb0824b3bc345f9fa47e33248c14","lessThan":"e0f382e8084117f0b11ffb070fe1079e38c0d7f9","versionType":"git","status":"affected"},{"version":"4c2703dfd7fabb0824b3bc345f9fa47e33248c14","lessThan":"6fad06bb793d7089ae05b9fcf46e11be2dfe4850","versionType":"git","status":"affected"},{"version":"4c2703dfd7fabb0824b3bc345f9fa47e33248c14","lessThan":"470ac9cce7308e60cf2dceb448749cdd006e73de","versionType":"git","status":"affected"},{"version":"4c2703dfd7fabb0824b3bc345f9fa47e33248c14","lessThan":"363e048a9d0a6c245cbc348c8a220170afed046a","versionType":"git","status":"affected"},{"version":"4c2703dfd7fabb0824b3bc345f9fa47e33248c14","lessThan":"7fa8a12296d8d5aa4b1c3904f0b354d81124cf29","versionType":"git","status":"affected"},{"version":"4c2703dfd7fabb0824b3bc345f9fa47e33248c14","lessThan":"8ae344eb540af3f457179b52bc6061416752485c","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/net/ethernet/marvell/prestera/prestera_pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"5.10","status":"affected"},{"version":"0","lessThan":"5.10","versionType":"semver","status":"unaffected"},{"version":"5.10.265","lessThanOrEqual":"5.10.*","versionType":"semver","status":"unaffected"},{"version":"5.15.216","lessThanOrEqual":"5.15.*","versionType":"semver","status":"unaffected"},{"version":"6.1.183","lessThanOrEqual":"6.1.*","versionType":"semver","status":"unaffected"},{"version":"6.6.152","lessThanOrEqual":"6.6.*","versionType":"semver","status":"unaffected"},{"version":"6.12.104","lessThanOrEqual":"6.12.*","versionType":"semver","status":"unaffected"},{"version":"6.18.45","lessThanOrEqual":"6.18.*","versionType":"semver","status":"unaffected"},{"version":"7.1.9","lessThanOrEqual":"7.1.*","versionType":"semver","status":"unaffected"},{"version":"7.2","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]