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CVE-2021-47443 Details

Description

In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_tg_listen_mdaa() 'params' is allocated in digital_tg_listen_mdaa(), but not free when digital_send_cmd() failed, which will cause memory leak. Fix it by freeing 'params' if digital_send_cmd() return failed.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-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/3f2960b39f22e26cf8addae93c3f5884d1c183c9	kernel.org	Patch
https://git.kernel.org/stable/c/429054ec51e648d241a7e0b465cf44f6633334c5	kernel.org	Patch
https://git.kernel.org/stable/c/564249219e5b5673a8416b5181875d828c3f1e8c	kernel.org	Patch
https://git.kernel.org/stable/c/58e7dcc9ca29c14e44267a4d0ea61e3229124907	kernel.org	Patch
https://git.kernel.org/stable/c/7ab488d7228a9dceb2456867f1f0919decf6efed	kernel.org	Patch
https://git.kernel.org/stable/c/9881b0c860649f27ef2565deef011e516390f416	kernel.org	Patch
https://git.kernel.org/stable/c/a67d47e32c91e2b10402cb8c081774cbf08edb2e	kernel.org	Patch
https://git.kernel.org/stable/c/b7b023e6ff567e991c31cd425b0e1d16779c938b	kernel.org	Patch
https://git.kernel.org/stable/c/3f2960b39f22e26cf8addae93c3f5884d1c183c9	CVE	Patch
https://git.kernel.org/stable/c/429054ec51e648d241a7e0b465cf44f6633334c5	CVE	Patch
https://git.kernel.org/stable/c/564249219e5b5673a8416b5181875d828c3f1e8c	CVE	Patch
https://git.kernel.org/stable/c/58e7dcc9ca29c14e44267a4d0ea61e3229124907	CVE	Patch
https://git.kernel.org/stable/c/7ab488d7228a9dceb2456867f1f0919decf6efed	CVE	Patch
https://git.kernel.org/stable/c/9881b0c860649f27ef2565deef011e516390f416	CVE	Patch
https://git.kernel.org/stable/c/a67d47e32c91e2b10402cb8c081774cbf08edb2e	CVE	Patch
https://git.kernel.org/stable/c/b7b023e6ff567e991c31cd425b0e1d16779c938b	CVE	Patch

see all 16 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	>= 3.13, < 4.4.290 >= 4.5, < 4.9.288 >= 4.10, < 4.14.252 >= 4.15, < 4.19.213 >= 4.20, < 5.4.155
CPE cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:5.15:rc1:::::: cpe:2.3:o:linux:linux_kernel:5.15:rc2:::::: cpe:2.3:o:linux:linux_kernel:5.15:rc3:::::: cpe:2.3:o:linux:linux_kernel:5.15:rc4:::::: cpe:2.3:o:linux:linux_kernel:5.15:rc5:::::: Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	kernel.org
Apr 2, 2025	Initial Analysis	[email protected]
Nov 21, 2024	CVE Modified	CVE
Nov 6, 2024	CVE Modified	CISA-ADP
May 28, 2024	CVE Modified	kernel.org
May 22, 2024	New CVE Received	kernel.org