lsn-0070-1
Vulnerability from osv_ubuntu
Published
2020-08-17 07:58
Modified
2026-06-03 10:46
Summary
Kernel Live Patch Security Notice
Details

Mauricio Faria de Oliveira discovered that the aufs implementation in the Linux kernel improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service. (CVE-2020-11935)

References
To clipboard 

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      },
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            }
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        }
      ],
      "versions": [
        "5.3.0-18.19",
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        "5.4.0-40.44"
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    }
  ],
  "aliases": [],
  "details": "Mauricio Faria de Oliveira discovered that the aufs implementation in the\nLinux kernel improperly managed inode reference counts in the\nvfsub_dentry_open() method. A local attacker could use this vulnerability\nto cause a denial of service. (CVE-2020-11935)",
  "id": "LSN-0070-1",
  "modified": "2026-06-03T10:46:31Z",
  "published": "2020-08-17T07:58:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/LSN-0070-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-11935"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "Kernel Live Patch Security Notice",
  "upstream": [
    "UBUNTU-CVE-2020-11935"
  ]
}



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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.