CVE-2021-47378

critical

Description

In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cm_id before destroy qp to avoid to get cma event after qp was destroyed, which may lead to use after free. In RDMA connection establishment error flow, don't destroy qp in cm event handler.Just report cm_error to upper level, qp will be destroy in nvme_rdma_alloc_queue() after destroy cm id.

References

https://git.kernel.org/stable/c/ecf0dc5a904830c926a64feffd8e01141f89822f

https://git.kernel.org/stable/c/d268a182c56e8361e19fb781137411643312b994

https://git.kernel.org/stable/c/9817d763dbe15327b9b3ff4404fa6f27f927e744

Details

Source: Mitre, NVD

Published: 2024-05-21

Updated: 2024-07-03

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical