High severity7.1NVD Advisory· Published Jun 23, 2023· Updated Jun 17, 2026

CVE-2023-3317

Description

A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in wifi mt76/mt7921 sub-component in the Linux Kernel. This flaw could allow an attacker to crash the system after 'features' memory release. This vulnerability could even lead to a kernel information leak problem.

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Affected products

Linux/Kernelcpe-rescue
Linux/mt76/mt7921llm-create

Patches

Vulnerability mechanics

References

patchwork.kernel.org/project/linux-wireless/patch/51fd8f76494348aa9ecbf0abc471ebe47a983dfd.1679502607.git.lorenzo%40kernel.org/nvd

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