Vulnerability-Lookup

FKIE_CVE-2023-0597

Vulnerability from fkie_nvd - Published: 2023-02-23 20:15 - Updated: 2026-06-17 05:25

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Summary

A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.

References

URL	Tags
secalert@redhat.com	http://www.openwall.com/lists/oss-security/2023/07/28/1
secalert@redhat.com	https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2023/07/28/1
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80	Mailing List, Patch
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://www.openwall.com/lists/oss-security/2023/07/28/1

Impacted products

	Vendor	Product	Version
	linux	linux_kernel	6.2

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Kernel",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Linux kernel 6.2-rc1"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory."
    }
  ],
  "id": "CVE-2023-0597",
  "lastModified": "2026-06-17T05:25:53.790",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-0597",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-03-12T19:17:29.115979Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-02-23T20:15:12.927",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://www.openwall.com/lists/oss-security/2023/07/28/1"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2023/07/28/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://www.openwall.com/lists/oss-security/2023/07/28/1"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

CVE-2023-0597 (GCVE-0-2023-0597)

Vulnerability from cvelistv5 – Published: 2023-02-23 00:00 – Updated: 2025-03-12 19:17

Summary

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-12 19:17 UTC

CWE

CWE-200
CWE-401 - Missing Release of Memory after Effective Lifetime

Assigner

redhat redhat root

References

3 references

URL	Tags
https://git.kernel.org/linus/97e3d26b5e5f371b3ee2…
http://www.openwall.com/lists/oss-security/2023/07/28/1	mailing-list
https://www.openwall.com/lists/oss-security/2023/…	exploit

Impacted products

1 product

Vendor	Product	Version
n/a	Kernel	Affected: Linux kernel 6.2-rc1

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T05:17:50.079Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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            "url": "https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80"
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          {
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            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2023/07/28/1"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "NONE",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
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                  },
                  {
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                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-12T19:17:29.115979Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          }
        ],
        "problemTypes": [
          {
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                "description": "CWE-401 Missing Release of Memory after Effective Lifetime",
                "lang": "en",
                "type": "CWE"
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        ],
        "providerMetadata": {
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        }
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      "problemTypes": [
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              "lang": "en",
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    "datePublished": "2023-02-23T00:00:00.000Z",
    "dateReserved": "2023-01-31T00:00:00.000Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.