High severity8.8NVD Advisory· Published Sep 24, 2026· Updated Oct 30, 2026
CVE-2026-93793
CVE-2026-93793
Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: mvm: validate TX_CMD response layout
TX_CMD parsing uses frame_count to walk status entries and then read the trailing SCD SSN. Make the minimum-length check follow that exact runtime layout calculation before parsing the payload.
For new TX API, reject TX_CMD responses with frame_count != 1 and warn/return in the aggregation handler to document that aggregated accounting is expected via BA notifications.
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Affected products
3Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/4d942dfc13aec393e003ab28ff58db744c26e6ebnvd
- git.kernel.org/stable/c/5e871c03506c529d5fe372d099c1ad1465c7bc38nvd
- git.kernel.org/stable/c/658b5c00d653cdd72babc86791f6f6711190c740nvd
- git.kernel.org/stable/c/8d70881707b47353359df57df12f6de67fdacdd2nvd
- git.kernel.org/stable/c/fc14f5fe8a4374ed1088cfbddc1dae4d16c9935bnvd
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