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CVE-2024-57995 is a use-after-free vulnerability in the Linux kernel Qualcomm ath12k Wi-Fi driver, in ath12k_mac_assign_vif_to_vdev(). When an arvif object was created on a different radio, ath12k_mac_unassign_link_vif() could delete the object and free its pointer. The function subsequently performed a check using the freed pointer, causing a read-after-free. The upstream fix defers the check until after arvif is reassigned through ath12k_mac_assign_link_vif().
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Use-after-free in Linux kernel ath12k Wi-Fi VIF assignment.
Linux kernel ath12k Wi-Fi driver use-after-free vulnerability.
Linux kernel ath12k Wi-Fi use-after-free vulnerability.
A Linux kernel ath12k Wi-Fi driver read-after-free vulnerability in ath12k_mac_assign_vif_to_vdev(). It can occur when an arvif created on a different radio is unassigned and freed, then subsequently accessed. The fix moves the check until after arvif is reassigned.
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Cross-references every affected SKU, including bundled OEM variants.
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