CVE-2022-48632 (GCVE-0-2022-48632)

Vulnerability from cvelistv5 – Published: 2024-04-28 12:59 – Updated: 2026-08-05 08:51
VLAI
Title
i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()
Summary
In the Linux kernel, the following vulnerability has been resolved: i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction() memcpy() is called in a loop while 'operation->length' upper bound is not checked and 'data_idx' also increments.
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: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 15:46 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < 48ee0a864d1af02eea98fc825cc230d61517a71e (git)
Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < dc2a0c587006f29b724069740c48654b9dcaebd2 (git)
Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < 3b5ab5fbe69ebbee5692c72b05071a43fc0655d8 (git)
Affected: b5b5b32081cd206baa6e58cca7f112d9723785d6 , < de24aceb07d426b6f1c59f33889d6a964770547b (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.10
Unaffected: 0 , < 5.10 (semver)
Unaffected: 5.10.146 , ≤ 5.10.* (semver)
Unaffected: 5.15.71 , ≤ 5.15.* (semver)
Unaffected: 5.19.12 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "id": "CVE-2022-48632",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:fixed": "429",
      "product_status:known_affected": "22",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-48632.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-15T00:18:17Z",
      "cve": "CVE-2022-48632",
      "id": "CVE-2022-48632",
      "initial_release_date": "2024-04-30T02:26:34Z",
      "product_status:known_affected": "270",
      "product_status:known_not_affected": "202",
      "product_status:recommended": "506",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-48632",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-48632.json",
      "version": "55"
    },
    "vulnrichment": {
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      "cveMetadata": "{\"cveId\": \"CVE-2022-48632\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-05T08:51:34.167Z\", \"dateReserved\": \"2024-02-25T13:44:28.315Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-28T12:59:10.481Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.