CVE-2021-47378
Linux Kernel vulnerability
- Published21 May 2024
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.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
Frequently asked
Is CVE-2021-47378 being actively exploited?
CVE-2021-47378 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.18%.
How severe is CVE-2021-47378?
CVE-2021-47378 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.18% probability of exploitation.
Which products are affected by CVE-2021-47378?
Affected products include Linux Kernel.
How do I fix CVE-2021-47378?
Upgrade affected software to a fixed version, for example Linux Kernel 5.14.9 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2021-47378 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.