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CVE-2021-47378

CRITICAL
Published 2024-05-21T15:03:41.038Z
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CVSS Score

V3.1
9.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.005
probability
of exploitation in the wild

There is a 0.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.661
Higher than 66.1% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux

Affected Versions:

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Linux

Linux

Affected Versions:

5.10.70 5.14.9 5.15
linux

linux_kernel

Affected Versions:

1da177e4c3f4
linux

linux_kernel

Affected Versions:

5.10.70
linux

linux_kernel

Affected Versions:

5.14.9
linux

linux_kernel

Affected Versions:

5.15

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-7fq3-h5p4-7j98

Advisory Details

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 Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-47378
WEB https://git.kernel.org/stable/c/9817d763dbe15327b9b3ff4404fa6f27f927e744
WEB https://git.kernel.org/stable/c/d268a182c56e8361e19fb781137411643312b994
WEB https://git.kernel.org/stable/c/ecf0dc5a904830c926a64feffd8e01141f89822f

Advisory provided by GitHub Security Advisory Database. Published: May 21, 2024, Modified: July 3, 2024

References

https://git.kernel.org/stable/c/ecf0dc5a904830c926a64feffd8e01141f89822f
https://git.kernel.org/stable/c/d268a182c56e8361e19fb781137411643312b994
https://git.kernel.org/stable/c/9817d763dbe15327b9b3ff4404fa6f27f927e744
Published: 2024-05-21T15:03:41.038Z
Last Modified: 2025-05-04T07:09:40.993Z
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