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CVE-2024-27434 is an improper exceptional-condition handling issue in the Linux kernel iwlwifi MVM Wi-Fi driver. The driver can set the Management Frame Protection (MFP) flag on a Group Temporal Key (GTK) when an access point uses the TKIP group cipher and is configured as MFPC-capable. This produces an invalid GTK configuration because TKIP and MFP cannot be used together, and can cause the wireless firmware to crash.
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Linux kernel Intel iwlwifi MVM management-frame-protection flag handling flaw for GTK.
A Linux kernel iwlwifi MVM Wi-Fi driver vulnerability involving incorrect setting of the Management Frame Protection (MFP) flag for the Group Temporal Key (GTK).
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Cross-references every affected SKU, including bundled OEM variants.
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