CVE-2022-1011 (GCVE-0-2022-1011)

Vulnerability from cvelistv5 – Published: 2022-03-18 00:00 – Updated: 2024-08-02 23:47
VLAI
Summary
A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kernel Affected: Linux kernel 5.16-rc8
Show details on NVD website
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      "product_status:known_affected": "2",
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      "status": "final",
      "title": "A use-after-free flaw was found in the Linux kernel\u2019s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem resulting in privilege escalation.",
      "url": "https://msrc.microsoft.com/csaf/vex/2022/msrc_cve-2022-1011.json",
      "version": "1"
    },
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T06:26:41+00:00",
      "cve": "CVE-2022-1011",
      "id": "CVE-2022-1011",
      "initial_release_date": "2022-03-07T10:00:00+00:00",
      "product_status:fixed": "243",
      "product_status:known_affected": "25",
      "product_status:known_not_affected": "108",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: FUSE allows UAF reads of write() buffers, allowing theft of (partial) /etc/shadow hashes",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-1011.json",
      "version": "3"
    }
  }
}



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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.