CVE-2021-47378

A vulnerability was found in the Linux kernel's nvme-rdma driver where the driver failed to destroy a component cm_id before another component qp was destroyed. This issue occurs when the kernel incorrectly manages memory during RDMA, leading to a potential use-after-free.

This vulnerability is rated as a Moderate severity. Although it can lead to system crashes due to improper memory access, it does not directly compromise data security or integrity.

This bug only affects Red Hat Enterprise Linux 9.0. A fix was commited to Red Hat Enterprise Linux 9.1, which is why the bug does not affect Red Hat Enterprise Linux 9.2 and later.

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.

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.