github - ghsa-fmp3-xxcc-559c

ghsa-fmp3-xxcc-559c

Vulnerability from github

Published

2025-08-01 18:31

Modified

2025-08-01 18:31

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H

Details

A flaw was found in the Linux kernel's ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-32256"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-421"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-01T18:15:27Z",
    "severity": "HIGH"
  },
  "details": "A flaw was found in the Linux kernel\u0027s ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue.",
  "id": "GHSA-fmp3-xxcc-559c",
  "modified": "2025-08-01T18:31:18Z",
  "published": "2025-08-01T18:31:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-32256"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-32256"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2385885"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=abcc506a9a71976a8b4c9bf3ee6efd13229c1e19"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-704"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2023-32256

Vulnerability from cvelistv5

Published

2025-08-01 17:37

Modified

2025-08-01 19:19

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H

Summary

Kernel: ksmbd race issue from smb2 close and logoff with multichannel

References

▼	URL	Tags
	https://access.redhat.com/security/cve/CVE-2023-32256	vdb-entry, x_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=2385885	issue-tracking, x_refsource_REDHAT
	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=abcc506a9a71976a8b4c9bf3ee6efd13229c1e19
	https://www.zerodayinitiative.com/advisories/ZDI-23-704/

Impacted products

▼	Vendor	Product

	Red Hat	Red Hat Enterprise Linux 10
	Red Hat	Red Hat Enterprise Linux 6
	Red Hat	Red Hat Enterprise Linux 7
	Red Hat	Red Hat Enterprise Linux 7
	Red Hat	Red Hat Enterprise Linux 8
	Red Hat	Red Hat Enterprise Linux 8
	Red Hat	Red Hat Enterprise Linux 9
	Red Hat	Red Hat Enterprise Linux 9

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                "id": "CVE-2023-32256",
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                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-01T19:19:19.939025Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-01T19:19:43.176Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
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    ],
    "cna": {
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            },
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              "lessThan": "6.1.29",
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            },
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              "lessThan": "6.2.16",
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            "confidentialityImpact": "LOW",
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            "privilegesRequired": "NONE",
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            "userInteraction": "NONE",
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      ],
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    "dateReserved": "2023-05-05T10:00:07.896Z",
    "dateUpdated": "2025-08-01T19:19:43.176Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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