CVE-2021-46984

CVE-2021-46984 : Linux kernel kyber driver had an out-of-bounds read due to a race between blk_mq_get_ctx() calls when a thread is preempted, causing ctx->index_hw[hctx->type] to differ from hctx. The fix passes the request_queue to kyber_bio_merge() (via ->bio_merge()) so Kyber can map ...