MSRC_CVE-2023-2194

Vulnerability from csaf_microsoft - Published: 2023-04-01 00:00 - Updated: 2023-05-25 00:00
Summary
An out-of-bounds write vulnerability was found in the Linux kernel's SLIMpro I2C device driver. The userspace "data->block[0]" variable was not capped to a number between 0-255 and was used as the size of a memcpy possibly writing beyond the end of dma_buffer. This flaw could allow a local privileged user to crash the system or potentially achieve code execution.

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
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{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
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      "tlp": {
        "label": "WHITE",
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        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
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      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
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    "references": [
      {
        "category": "self",
        "summary": "CVE-2023-2194 An out-of-bounds write vulnerability was found in the Linux kernel\u0027s SLIMpro I2C device driver. The userspace \"data-\u003eblock[0]\" variable was not capped to a number between 0-255 and was used as the size of a memcpy possibly writing beyond the end of dma_buffer. This flaw could allow a local privileged user to crash the system or potentially achieve code execution. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-2194.json"
      },
      {
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      },
      {
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        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "An out-of-bounds write vulnerability was found in the Linux kernel\u0027s SLIMpro I2C device driver. The userspace \"data-\u003eblock[0]\" variable was not capped to a number between 0-255 and was used as the size of a memcpy possibly writing beyond the end of dma_buffer. This flaw could allow a local privileged user to crash the system or potentially achieve code execution.",
    "tracking": {
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      "generator": {
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  "vulnerabilities": [
    {
      "cve": "CVE-2023-2194",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
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          "text": "redhat",
          "title": "Assigning CNA"
        }
      ],
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      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-2194 An out-of-bounds write vulnerability was found in the Linux kernel\u0027s SLIMpro I2C device driver. The userspace \"data-\u003eblock[0]\" variable was not capped to a number between 0-255 and was used as the size of a memcpy possibly writing beyond the end of dma_buffer. This flaw could allow a local privileged user to crash the system or potentially achieve code execution. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-2194.json"
        }
      ],
      "remediations": [
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          "category": "vendor_fix",
          "date": "2023-04-28T00:00:00.000Z",
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      "scores": [
        {
          "cvss_v3": {
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "temporalScore": 6.7,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "16820-2",
            "17086-1"
          ]
        }
      ],
      "title": "An out-of-bounds write vulnerability was found in the Linux kernel\u0027s SLIMpro I2C device driver. The userspace \"data-\u003eblock[0]\" variable was not capped to a number between 0-255 and was used as the size of a memcpy possibly writing beyond the end of dma_buffer. This flaw could allow a local privileged user to crash the system or potentially achieve code execution."
    }
  ]
}


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Sightings

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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.