MSRC_CVE-2025-59497

Vulnerability from csaf_microsoft - Published: 2025-10-14 07:00 - Updated: 2025-10-14 07:00
Summary
Microsoft Defender for Linux Denial of Service Vulnerability
Severity
Important
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.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Vendor Fix 101.25032.0010:Security Update:https://learn.microsoft.com/en-us/defender-endpoint/linux-whatsnew#april-2025-build-101250220002--release-version-3012502200010 https://learn.microsoft.com/en-us/defender-endpoi…
Acknowledgments
G1ND1L4
Gil Regev

{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "G1ND1L4"
        ]
      },
      {
        "names": [
          "Gil Regev"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "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"
      },
      {
        "category": "general",
        "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
        "title": "Customer Action"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2025-59497 Microsoft Defender for Linux Denial of Service Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59497"
      },
      {
        "category": "self",
        "summary": "CVE-2025-59497 Microsoft Defender for Linux Denial of Service Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-59497.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Exploitability Index",
        "url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "Microsoft Defender for Linux Denial of Service Vulnerability",
    "tracking": {
      "current_release_date": "2025-10-14T07:00:00.000Z",
      "generator": {
        "date": "2026-02-22T17:24:08.043Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-59497",
      "initial_release_date": "2025-10-14T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-10-14T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c101.25032.0010",
            "product": {
              "name": "Microsoft Defender for Endpoint for Linux \u003c101.25032.0010",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "101.25032.0010",
            "product": {
              "name": "Microsoft Defender for Endpoint for Linux 101.25032.0010",
              "product_id": "12015"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Defender for Endpoint for Linux"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-59497",
      "cwe": {
        "id": "CWE-367",
        "name": "Time-of-check Time-of-use (TOCTOU) Race Condition"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "Successful exploitation of this vulnerability requires an attacker to win a race condition.",
          "title": "According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?"
        }
      ],
      "product_status": {
        "fixed": [
          "12015"
        ],
        "known_affected": [
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-59497 Microsoft Defender for Linux Denial of Service Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59497"
        },
        {
          "category": "self",
          "summary": "CVE-2025-59497 Microsoft Defender for Linux Denial of Service Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-59497.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-10-14T07:00:00.000Z",
          "details": "101.25032.0010:Security Update:https://learn.microsoft.com/en-us/defender-endpoint/linux-whatsnew#april-2025-build-101250220002--release-version-3012502200010",
          "product_ids": [
            "1"
          ],
          "url": "https://learn.microsoft.com/en-us/defender-endpoint/linux-whatsnew#april-2025-build-101250220002--release-version-3012502200010"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 6.1,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Denial of Service"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Microsoft Defender for Linux Denial of Service Vulnerability"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

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.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…