Rapid7

vulnerability

Debian: CVE-2021-47378: linux -- security update

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
May 21, 2024
Added
Jul 30, 2024
Modified
Mar 30, 2026

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.

Solution

debian-upgrade-linux
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.