> Kalle Valo <kvalo@xxxxxxxxxx> wrote: > > Jeongjun Park <aha310510@xxxxxxxxx> wrote: > >> I found the following bug in my fuzzer: >> >> UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26:51 >> index 255 is out of range for type 'htc_endpoint [22]' >> CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.11.0-rc6-dirty #14 >> Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 >> Workqueue: events request_firmware_work_func >> Call Trace: >> <TASK> >> dump_stack_lvl+0x180/0x1b0 >> __ubsan_handle_out_of_bounds+0xd4/0x130 >> htc_issue_send.constprop.0+0x20c/0x230 >> ? _raw_spin_unlock_irqrestore+0x3c/0x70 >> ath9k_wmi_cmd+0x41d/0x610 >> ? mark_held_locks+0x9f/0xe0 >> ... >> >> Since this bug has been confirmed to be caused by insufficient verification >> of conn_rsp_epid, I think it would be appropriate to add a range check for >> conn_rsp_epid to htc_connect_service() to prevent the bug from occurring. >> >> Fixes: fb9987d0f748 ("ath9k_htc: Support for AR9271 chipset.") >> Signed-off-by: Jeongjun Park <aha310510@xxxxxxxxx> >> Acked-by: Toke Høiland-Jørgensen <toke@xxxxxxx> >> Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx> > > Patch applied to ath-next branch of ath.git, thanks. > I think this patch should be applied to the next rc version immediately to fix the oob vulnerability as soon as possible, and also to the stable version. Regards, Jeongjun Park > 8619593634cb wifi: ath9k: add range check for conn_rsp_epid in htc_connect_service() > > -- > https://patchwork.kernel.org/project/linux-wireless/patch/20240909103855.68006-1-aha310510@xxxxxxxxx/ > > https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches > https://docs.kernel.org/process/submitting-patches.html >