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CVE-2023-3111 (GCVE-0-2023-3111)

Vulnerability from cvelistv5 – Published: 2023-06-05 00:00 – Updated: 2025-04-23 16:21
VLAI
Summary
A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:27 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a Kernel Affected: Kernel version prior to Kernel 6.0-rc2
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T11:52:57+00:00",
      "cve": "CVE-2023-3111",
      "id": "CVE-2023-3111",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_affected": "42",
      "product_status:known_not_affected": "156",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Use after free in prepare_to_relocate in fs/btrfs/relocation.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-3111.json",
      "version": "3"
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    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T01:22:27Z",
      "cve": "CVE-2023-3111",
      "id": "CVE-2023-3111",
      "initial_release_date": "2023-06-07T02:24:08Z",
      "product_status:known_affected": "247",
      "product_status:known_not_affected": "39",
      "product_status:recommended": "1372",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-3111",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-3111.json",
      "version": "93"
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    }
  }
}



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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.