CVE-2022-2905

Full vulnerability record from the local CVENow database.
Description

An out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data.
Severity
MEDIUM
CVSS score
5.5 (v3.1)
Vulnerability status
Modified
Source identifier
[email protected]
Published
2022-09-09 15:15:10.170000
Last modified
2026-11-02 22:17:14.803000
View original CVE JSON
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  "id": "CVE-2022-2905",
  "sourceIdentifier": "[email protected]",
  "published": "2022-09-09T15:15:10.170",
  "lastModified": "2026-11-02T22:17:14.803",
  "vulnStatus": "Modified",
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      "lang": "es",
      "value": "Se ha encontrado un fallo de lectura de memoria fuera de límites en el subsistema BPF del kernel de Linux en la forma en que un usuario llama a la función bpf_tail_call con una clave mayor que el max_entries del mapa. Este fallo permite a un usuario local conseguir acceso no autorizado a los datos"
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          "defaultStatus": "unknown",
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