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CVE-2021-47345 Details

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix rdma_resolve_route() memory leak Fix a memory leak when "mda_resolve_route() is called more than once on the same "rdma_cm_id". This is possible if cma_query_handler() triggers the RDMA_CM_EVENT_ROUTE_ERROR flow which puts the state machine back and allows rdma_resolve_route() to be called again.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/032c68b4f5be128a2167f35b558b7cec88fe4972	kernel.org	Patch
https://git.kernel.org/stable/c/07583ba2e2d8947c3d365d97608cb436510885ac	kernel.org	Patch
https://git.kernel.org/stable/c/3d08b5917984f737f32d5bee9737b9075c3895c6	kernel.org	Patch
https://git.kernel.org/stable/c/40b613db3a95bc27998e4097d74c2f7e5d083a0b	kernel.org	Patch
https://git.kernel.org/stable/c/4893c938f2a140a74be91779e45e4a7fa111198f	kernel.org	Patch
https://git.kernel.org/stable/c/74f160ead74bfe5f2b38afb4fcf86189f9ff40c9	kernel.org	Patch
https://git.kernel.org/stable/c/e2da8ce2a9543f3ca5c93369bd1fe6eeb572101a	kernel.org	Patch
https://git.kernel.org/stable/c/e4e062da082a199357ba4911145f331d40139ad8	kernel.org	Patch
https://git.kernel.org/stable/c/f4f553d67236145fa5fd203ed7b35b9377e19939	kernel.org	Patch
https://git.kernel.org/stable/c/032c68b4f5be128a2167f35b558b7cec88fe4972	CVE	Patch
https://git.kernel.org/stable/c/07583ba2e2d8947c3d365d97608cb436510885ac	CVE	Patch
https://git.kernel.org/stable/c/3d08b5917984f737f32d5bee9737b9075c3895c6	CVE	Patch
https://git.kernel.org/stable/c/40b613db3a95bc27998e4097d74c2f7e5d083a0b	CVE	Patch
https://git.kernel.org/stable/c/4893c938f2a140a74be91779e45e4a7fa111198f	CVE	Patch
https://git.kernel.org/stable/c/74f160ead74bfe5f2b38afb4fcf86189f9ff40c9	CVE	Patch
https://git.kernel.org/stable/c/e2da8ce2a9543f3ca5c93369bd1fe6eeb572101a	CVE	Patch
https://git.kernel.org/stable/c/e4e062da082a199357ba4911145f331d40139ad8	CVE	Patch
https://git.kernel.org/stable/c/f4f553d67236145fa5fd203ed7b35b9377e19939	CVE	Patch

see all 18 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-401	Missing Release of Memory after Effective Lifetime	[email protected]

Affected Products

Product	Versions
linux linux kernel	< 4.4.276 >= 4.5, < 4.9.276 >= 4.10, < 4.14.240 >= 4.15, < 4.19.198 >= 4.20, < 5.4.133
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	kernel.org
Jun 17, 2026	CVE Modified	CISA-ADP
Dec 24, 2024	Initial Analysis	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 28, 2024	CVE Modified	kernel.org
May 21, 2024	New CVE Received	kernel.org