CVE-2021-46985 (GCVE-0-2021-46985)

Vulnerability from cvelistv5 – Published: 2024-02-28 08:13 – Updated: 2026-05-23 15:18
VLAI
Title
ACPI: scan: Fix a memory leak in an error handling path
Summary
In the Linux kernel, the following vulnerability has been resolved: ACPI: scan: Fix a memory leak in an error handling path If 'acpi_device_set_name()' fails, we must free 'acpi_device_bus_id->bus_id' or there is a (potential) memory leak.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: e5cdbe419004e172f642e876a671a9ff1c52f8bb , < 6901a4f795e0e8d65ae779cb37fc22e0bf294712 (git)
Affected: 717d9d88fbd956ab03fad97266f6ce63a036e7f8 , < 5ab9857dde7c3ea3faef6b128d718cf8ba98721b (git)
Affected: 7385e438e1f31af5b86f72fd19b0dcd2738502c9 , < 69cc821e89ce572884548ac54c4f80eec7a837a5 (git)
Affected: bc0b1a2036dd8072106ec81a8685ecb901f72ed6 , < dafd4c0b5e835db020cff11c74b4af9493a58e72 (git)
Affected: 4a5891992c680d69d7e490e4d0428d17779d8e85 , < e2381174daeae0ca35eddffef02dcc8de8c1ef8a (git)
Affected: 321dbe6c0b551f9f8030becc6900f77cf9bbb9ad , < c5c8f6ffc942cf42f990f22e35bcf4cbe9d8c2fb (git)
Affected: eb50aaf960e3bedfef79063411ffd670da94b84b , < a7e17a8d421ae23c920240625b4413c7b94d94a4 (git)
Affected: eb50aaf960e3bedfef79063411ffd670da94b84b , < 0c8bd174f0fc131bc9dfab35cd8784f59045da87 (git)
Affected: 4.9.264 , < 4.9.269 (semver)
Affected: 4.14.228 , < 4.14.233 (semver)
Affected: 4.19.184 , < 4.19.191 (semver)
Affected: 5.4.109 , < 5.4.120 (semver)
Affected: 5.10.27 , < 5.10.38 (semver)
Affected: 5.11.11 , < 5.11.22 (semver)
Create a notification for this product.
Linux Linux Affected: 5.12
Unaffected: 0 , < 5.12 (semver)
Unaffected: 4.9.269 , ≤ 4.9.* (semver)
Unaffected: 4.14.233 , ≤ 4.14.* (semver)
Unaffected: 4.19.191 , ≤ 4.19.* (semver)
Unaffected: 5.4.120 , ≤ 5.4.* (semver)
Unaffected: 5.10.38 , ≤ 5.10.* (semver)
Unaffected: 5.11.22 , ≤ 5.11.* (semver)
Unaffected: 5.12.5 , ≤ 5.12.* (semver)
Unaffected: 5.13 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T14:17:53+00:00",
      "cve": "CVE-2021-46985",
      "id": "CVE-2021-46985",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_affected": "42",
      "product_status:known_not_affected": "156",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ACPI: scan: Fix a memory leak in an error handling path",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-46985.json",
      "version": "3"
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.