Vulnerability-Lookup

CVE-2026-43414 (GCVE-0-2026-43414)

Vulnerability from cvelistv5 – Published: 2026-05-08 14:21 – Updated: 2026-05-23 16:06

Title

scsi: qla2xxx: Completely fix fcport double free

Summary

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Completely fix fcport double free In qla24xx_els_dcmd_iocb() sp->free is set to qla2x00_els_dcmd_sp_free(). When an error happens, this function is called by qla2x00_sp_release(), when kref_put() releases the first and the last reference. qla2x00_els_dcmd_sp_free() frees fcport by calling qla2x00_free_fcport(). Doing it one more time after kref_put() is a bad idea.

Severity

9.8 (Critical)


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

Assigner

Linux

References

2 references

URL	Tags
https://git.kernel.org/stable/c/d48ea85463f5b34f7…
https://git.kernel.org/stable/c/c0b7da13a04bd70ef…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 4895009c4bb72f71f2e682f1e7d2c2d96e482087 , < d48ea85463f5b34f7b92ea0a13eddf1ab993da7b (git) Affected: 4895009c4bb72f71f2e682f1e7d2c2d96e482087 , < c0b7da13a04bd70ef6070bfb9ea85f582294560a (git) Affected: 7861213201838480dc222634c56fb6db113d010d (git) Affected: 3b9d72442adfbc9ddb0f76dd1b03977b3a578b16 (git) Affected: ef23850940d9a52c39936d27254824ccf5e9b6bd (git) Affected: 6c6bf6cacf9461f8d301cfac4f9c175d80cbcc63 (git) Affected: cd10dee1f07a782f5aa05703c55299ca86a85ee4 (git) Affected: b03e626bd6d3f0684f56ee1890d70fc9ca991c04 (git) Affected: 282877633b25d67021a34169c5b5519b1d4ef65e (git) Affected: f85af9f1aa5e2f53694a6cbe72010f754b5ff862 (git) Affected: 9b43d2884b54d415caab48878b526dfe2ae9921b (git) Affected: 846fb9f112f618ec6ae181d8dae7961652574774 (git) Affected: 5.15.154 , < 5.16 (semver) Affected: 6.1.84 , < 6.2 (semver) Affected: 6.6.24 , < 6.7 (semver) Affected: 6.7.12 , < 6.8 (semver) Affected: 6.8.3 , < 6.9 (semver)
Linux	Linux	Affected: 6.9 Unaffected: 0 , < 6.9 (semver) Unaffected: 6.19.9 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/qla2xxx/qla_iocb.c"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Completely fix fcport double free\n\nIn qla24xx_els_dcmd_iocb() sp-\u003efree is set to qla2x00_els_dcmd_sp_free().\nWhen an error happens, this function is called by qla2x00_sp_release(),\nwhen kref_put() releases the first and the last reference.\n\nqla2x00_els_dcmd_sp_free() frees fcport by calling qla2x00_free_fcport().\nDoing it one more time after kref_put() is a bad idea."
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    "datePublished": "2026-05-08T14:21:51.604Z",
    "dateReserved": "2026-05-01T14:12:56.008Z",
    "dateUpdated": "2026-05-23T16:06:56.357Z",
    "state": "PUBLISHED"
  },
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  "vulnerability-lookup:meta": {
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  }
}

FKIE_CVE-2026-43414

Vulnerability from fkie_nvd - Published: 2026-05-08 15:16 - Updated: 2026-05-12 14:10

Severity

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

Summary

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c0b7da13a04bd70ef6070bfb9ea85f582294560a
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d48ea85463f5b34f7b92ea0a13eddf1ab993da7b

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Completely fix fcport double free\n\nIn qla24xx_els_dcmd_iocb() sp-\u003efree is set to qla2x00_els_dcmd_sp_free().\nWhen an error happens, this function is called by qla2x00_sp_release(),\nwhen kref_put() releases the first and the last reference.\n\nqla2x00_els_dcmd_sp_free() frees fcport by calling qla2x00_free_fcport().\nDoing it one more time after kref_put() is a bad idea."
    }
  ],
  "id": "CVE-2026-43414",
  "lastModified": "2026-05-12T14:10:27.343",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      }
    ]
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  "published": "2026-05-08T15:16:53.353",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c0b7da13a04bd70ef6070bfb9ea85f582294560a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d48ea85463f5b34f7b92ea0a13eddf1ab993da7b"
    }
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Undergoing Analysis"
}

GHSA-QM6R-96CC-Q36W

Vulnerability from github – Published: 2026-05-08 15:31 – Updated: 2026-05-11 09:30

Details

In the Linux kernel, the following vulnerability has been resolved:

scsi: qla2xxx: Completely fix fcport double free

In qla24xx_els_dcmd_iocb() sp->free is set to qla2x00_els_dcmd_sp_free(). When an error happens, this function is called by qla2x00_sp_release(), when kref_put() releases the first and the last reference.

qla2x00_els_dcmd_sp_free() frees fcport by calling qla2x00_free_fcport(). Doing it one more time after kref_put() is a bad idea.

Severity

9.8 (Critical)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-43414"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-08T15:16:53Z",
    "severity": "CRITICAL"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Completely fix fcport double free\n\nIn qla24xx_els_dcmd_iocb() sp-\u003efree is set to qla2x00_els_dcmd_sp_free().\nWhen an error happens, this function is called by qla2x00_sp_release(),\nwhen kref_put() releases the first and the last reference.\n\nqla2x00_els_dcmd_sp_free() frees fcport by calling qla2x00_free_fcport().\nDoing it one more time after kref_put() is a bad idea.",
  "id": "GHSA-qm6r-96cc-q36w",
  "modified": "2026-05-11T09:30:31Z",
  "published": "2026-05-08T15:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43414"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c0b7da13a04bd70ef6070bfb9ea85f582294560a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d48ea85463f5b34f7b92ea0a13eddf1ab993da7b"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

MSRC_CVE-2026-43414

Vulnerability from csaf_microsoft - Published: 2026-05-02 00:00 - Updated: 2026-05-25 14:38

Summary

scsi: qla2xxx: Completely fix fcport double free

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.

CVE-2026-43414

9.8 (Critical)


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

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
Unresolved product id: 17084-1		—	None Available

References

4 references

URL	Category
https://msrc.microsoft.com/csaf/vex/2026/msrc_cve…	self
https://support.microsoft.com/lifecycle	external
https://www.first.org/cvss	external
https://msrc.microsoft.com/csaf/vex/2026/msrc_cve…	self

JSON

To clipboard

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
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    "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"
      }
    ],
    "publisher": {
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      "contact_details": "secure@microsoft.com",
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      "namespace": "https://msrc.microsoft.com"
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        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-43414.json"
      },
      {
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        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
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      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "scsi: qla2xxx: Completely fix fcport double free",
    "tracking": {
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      "generator": {
        "date": "2026-05-26T07:13:49.451Z",
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      "revision_history": [
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          "date": "2026-05-25T14:38:53.000Z",
          "legacy_version": "2",
          "number": "2",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 kernel 0:6.6.139.1-1.azl3",
                "product": {
                  "name": "azl3 kernel 0:6.6.139.1-1.azl3",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "kernel"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 kernel 0:6.6.139.1-1.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-43414",
      "notes": [
        {
          "category": "general",
          "text": "Linux",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_affected": [
          "17084-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-43414 scsi: qla2xxx: Completely fix fcport double free - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-43414.json"
        }
      ],
      "remediations": [
        {
          "category": "none_available",
          "date": "2026-05-25T01:01:39.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-1"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "environmentalsScore": 0.0,
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 9.8,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "17084-1"
          ]
        }
      ],
      "title": "scsi: qla2xxx: Completely fix fcport double free"
    }
  ]
}

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.

Action not permitted

CVE-2026-43414 (GCVE-0-2026-43414)

FKIE_CVE-2026-43414

GHSA-QM6R-96CC-Q36W

MSRC_CVE-2026-43414

Tags

Sightings

Nomenclature