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CVE Vulnerability Details :

CVE-2021-47443

PUBLISHED

More Info Official Page

Assigner-Linux

Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published At-22 May, 2024 | 06:19

Updated At-04 May, 2025 | 07:10

▼CVE Numbering Authority (CNA)

NFC: digital: fix possible memory leak in digital_tg_listen_mdaa()

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.

Affected Products

Vendor

Linux Kernel Organization, Inc

Product

Linux

Repo

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Program Files

net/nfc/digital_core.c

Default Status

unaffected

Versions

Affected

From 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 before 429054ec51e648d241a7e0b465cf44f6633334c5 (git)
From 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 before a67d47e32c91e2b10402cb8c081774cbf08edb2e (git)
From 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 before b7b023e6ff567e991c31cd425b0e1d16779c938b (git)
From 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 before 9881b0c860649f27ef2565deef011e516390f416 (git)
From 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 before 7ab488d7228a9dceb2456867f1f0919decf6efed (git)
From 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 before 3f2960b39f22e26cf8addae93c3f5884d1c183c9 (git)
From 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 before 564249219e5b5673a8416b5181875d828c3f1e8c (git)
From 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 before 58e7dcc9ca29c14e44267a4d0ea61e3229124907 (git)

Vendor

Linux Kernel Organization, Inc

Product

Linux

Repo

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Program Files

net/nfc/digital_core.c

Default Status

affected

Versions

Affected

3.13

Unaffected

From 0 before 3.13 (semver)
From 4.4.290 through 4.4.* (semver)
From 4.9.288 through 4.9.* (semver)
From 4.14.252 through 4.14.* (semver)
From 4.19.213 through 4.19.* (semver)
From 5.4.155 through 5.4.* (semver)
From 5.10.75 through 5.10.* (semver)
From 5.14.14 through 5.14.* (semver)
From 5.15 through * (original_commit_for_fix)

References

Hyperlink	Resource
https://git.kernel.org/stable/c/429054ec51e648d241a7e0b465cf44f6633334c5	N/A
https://git.kernel.org/stable/c/a67d47e32c91e2b10402cb8c081774cbf08edb2e	N/A
https://git.kernel.org/stable/c/b7b023e6ff567e991c31cd425b0e1d16779c938b	N/A
https://git.kernel.org/stable/c/9881b0c860649f27ef2565deef011e516390f416	N/A
https://git.kernel.org/stable/c/7ab488d7228a9dceb2456867f1f0919decf6efed	N/A
https://git.kernel.org/stable/c/3f2960b39f22e26cf8addae93c3f5884d1c183c9	N/A
https://git.kernel.org/stable/c/564249219e5b5673a8416b5181875d828c3f1e8c	N/A
https://git.kernel.org/stable/c/58e7dcc9ca29c14e44267a4d0ea61e3229124907	N/A

▼Authorized Data Publishers (ADP)

1. CISA ADP Vulnrichment

Problem Types

Type	CWE ID	Description
CWE	CWE-noinfo	CWE-noinfo Not enough information

Metrics

Version	Base score	Base severity	Vector
3.1	5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Metrics Other Info

2. CVE Program Container

References

Hyperlink	Resource
https://git.kernel.org/stable/c/429054ec51e648d241a7e0b465cf44f6633334c5	x_transferred
https://git.kernel.org/stable/c/a67d47e32c91e2b10402cb8c081774cbf08edb2e	x_transferred
https://git.kernel.org/stable/c/b7b023e6ff567e991c31cd425b0e1d16779c938b	x_transferred
https://git.kernel.org/stable/c/9881b0c860649f27ef2565deef011e516390f416	x_transferred
https://git.kernel.org/stable/c/7ab488d7228a9dceb2456867f1f0919decf6efed	x_transferred
https://git.kernel.org/stable/c/3f2960b39f22e26cf8addae93c3f5884d1c183c9	x_transferred
https://git.kernel.org/stable/c/564249219e5b5673a8416b5181875d828c3f1e8c	x_transferred
https://git.kernel.org/stable/c/58e7dcc9ca29c14e44267a4d0ea61e3229124907	x_transferred

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