CVE-2023-54089

CVE-2023-54089 : In the Linux kernel, the virtio_pmem path did not assign REQ_OP_WRITE for flush bios, causing submit_bio_noacct() to fail when flushing PMEM-backed devices (e.g., during mkfs.xfs). The root cause is that async_pmem_flush() allocated a flush bio without setting REQ_OP_WRITE, so th...