CVE-2023-52436 (GCVE-0-2023-52436)

Vulnerability from cvelistv5 – Published: 2024-02-20 18:34 – Updated: 2026-05-11 19:27
VLAI
Title
f2fs: explicitly null-terminate the xattr list
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: explicitly null-terminate the xattr list When setting an xattr, explicitly null-terminate the xattr list. This eliminates the fragile assumption that the unused xattr space is always zeroed.
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: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < 16ae3132ff7746894894927c1892493693b89135 (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < 12cf91e23b126718a96b914f949f2cdfeadc7b2a (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < 3e47740091b05ac8d7836a33afd8646b6863ca52 (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < 32a6cfc67675ee96fe107aeed5af9776fec63f11 (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < 5de9e9dd1828db9b8b962f7ca42548bd596deb8a (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < 2525d1ba225b5c167162fa344013c408e8b4de36 (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < f6c30bfe5a49bc38cae985083a11016800708fea (git)
Affected: 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 , < e26b6d39270f5eab0087453d9b544189a38c8564 (git)
Create a notification for this product.
Linux Linux Affected: 3.8
Unaffected: 0 , < 3.8 (semver)
Unaffected: 4.19.306 , ≤ 4.19.* (semver)
Unaffected: 5.4.268 , ≤ 5.4.* (semver)
Unaffected: 5.10.209 , ≤ 5.10.* (semver)
Unaffected: 5.15.148 , ≤ 5.15.* (semver)
Unaffected: 6.1.74 , ≤ 6.1.* (semver)
Unaffected: 6.6.13 , ≤ 6.6.* (semver)
Unaffected: 6.7.1 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T11:38:34+00:00",
      "cve": "CVE-2023-52436",
      "id": "CVE-2023-52436",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: f2fs: explicitly null-terminate the xattr list",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-52436.json",
      "version": "3"
    },
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      "dataType": "CVE_RECORD",
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    }
  }
}



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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.