CVE-2023-54089

A flaw was discovered in the virtio_pmem driver in the Linux kernel, where flush block I/O requests did not have the required REQ_OP_WRITE operation code assigned before submission. Under workloads involving persistent memory block devices — for example, running mkfs.xfs on a pmem device,this omission can lead to bio submission warnings and improper block I/O handling.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.