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CVE-2021-47522 (GCVE-0-2021-47522)

Vulnerability from cvelistv5 – Published: 2024-05-24 15:09 – Updated: 2026-05-11 13:56
VLAI
Title
HID: bigbenff: prevent null pointer dereference
Summary
In the Linux kernel, the following vulnerability has been resolved: HID: bigbenff: prevent null pointer dereference When emulating the device through uhid, there is a chance we don't have output reports and so report_field is null.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-28 15:21 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 256a90ed9e46b270bbc4e15ef05216ff049c3721 , < 8e0ceff632f48175ec7fb4706129c55ca8a7c7bd (git)
Affected: 256a90ed9e46b270bbc4e15ef05216ff049c3721 , < 6272b17001e6fdcf7b4a16206287010a1523fa6e (git)
Affected: 256a90ed9e46b270bbc4e15ef05216ff049c3721 , < 58f15f5ae7786c824868f3a7e093859b74669ce7 (git)
Affected: 256a90ed9e46b270bbc4e15ef05216ff049c3721 , < 918aa1ef104d286d16b9e7ef139a463ac7a296f0 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.20
Unaffected: 0 , < 4.20 (semver)
Unaffected: 5.4.165 , ≤ 5.4.* (semver)
Unaffected: 5.10.85 , ≤ 5.10.* (semver)
Unaffected: 5.15.8 , ≤ 5.15.* (semver)
Unaffected: 5.16 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "cveMetadata": "{\"cveId\": \"CVE-2021-47522\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T13:56:17.490Z\", \"dateReserved\": \"2024-05-24T15:02:54.825Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-24T15:09:35.118Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Tags
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.