Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix warning when unbinding If there is an error during some initialization related to firmware, the buffers dp->tx_ring[i].tx_status are released. However this is released again when the device is unbinded (ath12k_pci), and we get: WARNING: CPU: 0 PID: 2098 at mm/slub.c:4689 free_large_kmalloc+0x4d/0x80 Call Trace: free_large_kmalloc ath12k_dp_free ath12k_core_deinit ath12k_pci_remove ... The issue is always reproducible from a VM because the MSI addressing initialization is failing. In order to fix the issue, just set the buffers to NULL after releasing in order to avoid the double free.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
d889913205cf7ebda905b1e62c5867ed4e39f6c2 to < 223b546c6222d42147eff034433002ca5e2e7e09affectedd889913205cf7ebda905b1e62c5867ed4e39f6c2 to < 90556b96338aa6037cd26dac857327fda7c19732affectedd889913205cf7ebda905b1e62c5867ed4e39f6c2 to < 94c9100b600f05a36b33f9ed76dbd6fb0eb25386affectedd889913205cf7ebda905b1e62c5867ed4e39f6c2 to < ca68ce0d9f4bcd032fd1334441175ae399642a06affected
Linux Linux
Default version status: affected
6.3affected0 to < 6.3unaffected6.6.64 to ≤ 6.6.*unaffected6.11.11 to ≤ 6.11.*unaffected6.12.2 to ≤ 6.12.*unaffected6.13 to ≤ *unaffected