CVE-2021-47443 (GCVE-0-2021-47443)

Vulnerability from cvelistv5 – Published: 2024-05-22 06:19 – Updated: 2026-05-11 13:54
VLAI
Title
NFC: digital: fix possible memory leak in digital_tg_listen_mdaa()
Summary
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 , < 429054ec51e648d241a7e0b465cf44f6633334c5 (git)
Affected: 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 , < a67d47e32c91e2b10402cb8c081774cbf08edb2e (git)
Affected: 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 , < b7b023e6ff567e991c31cd425b0e1d16779c938b (git)
Affected: 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 , < 9881b0c860649f27ef2565deef011e516390f416 (git)
Affected: 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 , < 7ab488d7228a9dceb2456867f1f0919decf6efed (git)
Affected: 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 , < 3f2960b39f22e26cf8addae93c3f5884d1c183c9 (git)
Affected: 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 , < 564249219e5b5673a8416b5181875d828c3f1e8c (git)
Affected: 1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8 , < 58e7dcc9ca29c14e44267a4d0ea61e3229124907 (git)
Create a notification for this product.
Linux Linux Affected: 3.13
Unaffected: 0 , < 3.13 (semver)
Unaffected: 4.4.290 , ≤ 4.4.* (semver)
Unaffected: 4.9.288 , ≤ 4.9.* (semver)
Unaffected: 4.14.252 , ≤ 4.14.* (semver)
Unaffected: 4.19.213 , ≤ 4.19.* (semver)
Unaffected: 5.4.155 , ≤ 5.4.* (semver)
Unaffected: 5.10.75 , ≤ 5.10.* (semver)
Unaffected: 5.14.14 , ≤ 5.14.* (semver)
Unaffected: 5.15 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.