Vulnerability-Lookup

CVE-2026-80813 (GCVE-0-2026-80813)

Vulnerability from cvelistv5 – Published: 2026-09-04 15:13 – Updated: 2026-09-04 15:13

Title

nvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()

Summary

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist() When a host issues an Identify command with CNS 07h (Active Namespace ID List for a specific I/O Command Set), nvmet_execute_identify_nslist() is called with match_css set. The command-set filter dereferences req->ns, but this handler never calls nvmet_req_find_ns(), so req->ns is always NULL (nvmet_req_init() resets it to NULL). As soon as an enabled namespace with an NSID greater than the requested value exists, req->ns->csi dereferences a NULL pointer and oopses. Besides the crash, the comparison is logically wrong: to filter the list by command set it must test the command set of the namespace being iterated, not a single fixed value. Use the loop variable ns->csi.

Severity

No CVSS data available.

Assigner

Linux mitre root Scorecard

References

4 references

URL	Tags
https://git.kernel.org/stable/c/61dc1a37e04d4003a…
https://git.kernel.org/stable/c/2bc1e33ff6a558c8c…
https://git.kernel.org/stable/c/123d664ac98d6f346…
https://git.kernel.org/stable/c/79aba4c9403419d82…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 61c9967cd63448292a64f9ee9aeb6e2053e3a624 , < 61dc1a37e04d4003a19095f54883358330034a39 (git) Affected: 61c9967cd63448292a64f9ee9aeb6e2053e3a624 , < 2bc1e33ff6a558c8ceef7c0077f3ef70a15fcba2 (git) Affected: 61c9967cd63448292a64f9ee9aeb6e2053e3a624 , < 123d664ac98d6f3464462ad4a530474b91ba9890 (git) Affected: 61c9967cd63448292a64f9ee9aeb6e2053e3a624 , < 79aba4c9403419d822972d2851f2a96a2c0531cf (git)
Linux	Linux	Affected: 6.13 Unaffected: 0 , < 6.13 (semver) Unaffected: 6.18.47 , ≤ 6.18.* (semver) Unaffected: 7.1.11 , ≤ 7.1.* (semver) Unaffected: 7.2.1 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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          "product": "Linux",
          "programFiles": [
            "drivers/nvme/target/admin-cmd.c"
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          "product": "Linux",
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "6.13"
            },
            {
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "7.1.11",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "7.2.1",
              "versionType": "semver"
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              "version": "7.3-rc1",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()\n\nWhen a host issues an Identify command with CNS 07h (Active Namespace ID\nList for a specific I/O Command Set), nvmet_execute_identify_nslist() is\ncalled with match_css set. The command-set filter dereferences req-\u003ens,\nbut this handler never calls nvmet_req_find_ns(), so req-\u003ens is always\nNULL (nvmet_req_init() resets it to NULL). As soon as an enabled\nnamespace with an NSID greater than the requested value exists,\nreq-\u003ens-\u003ecsi dereferences a NULL pointer and oopses.\n\nBesides the crash, the comparison is logically wrong: to filter the list\nby command set it must test the command set of the namespace being\niterated, not a single fixed value. Use the loop variable ns-\u003ecsi."
        }
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        },
        {
          "url": "https://git.kernel.org/stable/c/79aba4c9403419d822972d2851f2a96a2c0531cf"
        }
      ],
      "title": "nvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()",
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    "datePublished": "2026-09-04T15:13:33.761Z",
    "dateReserved": "2026-08-26T14:34:25.794Z",
    "dateUpdated": "2026-09-04T15:13:33.761Z",
    "state": "PUBLISHED"
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          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()\n\nWhen a host issues an Identify command with CNS 07h (Active Namespace ID\nList for a specific I/O Command Set), nvmet_execute_identify_nslist() is\ncalled with match_css set. The command-set filter dereferences req-\u003ens,\nbut this handler never calls nvmet_req_find_ns(), so req-\u003ens is always\nNULL (nvmet_req_init() resets it to NULL). As soon as an enabled\nnamespace with an NSID greater than the requested value exists,\nreq-\u003ens-\u003ecsi dereferences a NULL pointer and oopses.\n\nBesides the crash, the comparison is logically wrong: to filter the list\nby command set it must test the command set of the namespace being\niterated, not a single fixed value. Use the loop variable ns-\u003ecsi."
          }
        ],
        "id": "CVE-2026-80813",
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        "metrics": {},
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          },
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            "url": "https://git.kernel.org/stable/c/61dc1a37e04d4003a19095f54883358330034a39"
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}

BELL-CVE-2026-80813 (CVE-2026-80813)

Vulnerability from osv_bellsoft – Published: 2026-09-08 06:05 – Updated: 2026-09-25 20:01 – Source website

References

URL

Type

https://docs.bell-sw.com/security/cves/CVE-2026-80813

ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Alpaquita:stream",
        "name": "linux-lts",
        "purl": "pkg:apk/alpaquita/linux-lts?arch=source\u0026distro=stream"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.18.46-r0"
            },
            {
              "fixed": "6.18.53-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "id": "BELL-CVE-2026-80813",
  "modified": "2026-09-25T20:01:36.397281Z",
  "published": "2026-09-08T06:05:27.759084Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://docs.bell-sw.com/security/cves/CVE-2026-80813"
    }
  ],
  "schema_version": "1.7.4",
  "upstream": [
    "CVE-2026-80813"
  ]
}

EUVD-2026-363830

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 08:32

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-02T08:32:05.127000+00:00",
  "id": "EUVD-2026-363830"
}

FKIE_CVE-2026-80813

Vulnerability from fkie_nvd - Published: 2026-09-04 16:18 - Updated: 2026-09-04 16:18

Severity

Summary

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/123d664ac98d6f3464462ad4a530474b91ba9890
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2bc1e33ff6a558c8ceef7c0077f3ef70a15fcba2
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/61dc1a37e04d4003a19095f54883358330034a39
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/79aba4c9403419d822972d2851f2a96a2c0531cf

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/nvme/target/admin-cmd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "61dc1a37e04d4003a19095f54883358330034a39",
              "status": "affected",
              "version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624",
              "versionType": "git"
            },
            {
              "lessThan": "2bc1e33ff6a558c8ceef7c0077f3ef70a15fcba2",
              "status": "affected",
              "version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624",
              "versionType": "git"
            },
            {
              "lessThan": "123d664ac98d6f3464462ad4a530474b91ba9890",
              "status": "affected",
              "version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624",
              "versionType": "git"
            },
            {
              "lessThan": "79aba4c9403419d822972d2851f2a96a2c0531cf",
              "status": "affected",
              "version": "61c9967cd63448292a64f9ee9aeb6e2053e3a624",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/nvme/target/admin-cmd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.13"
            },
            {
              "lessThan": "6.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.47",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.1",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()\n\nWhen a host issues an Identify command with CNS 07h (Active Namespace ID\nList for a specific I/O Command Set), nvmet_execute_identify_nslist() is\ncalled with match_css set. The command-set filter dereferences req-\u003ens,\nbut this handler never calls nvmet_req_find_ns(), so req-\u003ens is always\nNULL (nvmet_req_init() resets it to NULL). As soon as an enabled\nnamespace with an NSID greater than the requested value exists,\nreq-\u003ens-\u003ecsi dereferences a NULL pointer and oopses.\n\nBesides the crash, the comparison is logically wrong: to filter the list\nby command set it must test the command set of the namespace being\niterated, not a single fixed value. Use the loop variable ns-\u003ecsi."
    }
  ],
  "id": "CVE-2026-80813",
  "lastModified": "2026-09-04T16:18:08.793",
  "metrics": {},
  "published": "2026-09-04T16:18:08.793",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/123d664ac98d6f3464462ad4a530474b91ba9890"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2bc1e33ff6a558c8ceef7c0077f3ef70a15fcba2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/61dc1a37e04d4003a19095f54883358330034a39"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/79aba4c9403419d822972d2851f2a96a2c0531cf"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}

GHSA-RF7W-4FPM-954R

Vulnerability from github – Published: 2026-09-04 18:31 – Updated: 2026-09-04 18:31

Details

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

nvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()

When a host issues an Identify command with CNS 07h (Active Namespace ID List for a specific I/O Command Set), nvmet_execute_identify_nslist() is called with match_css set. The command-set filter dereferences req->ns, but this handler never calls nvmet_req_find_ns(), so req->ns is always NULL (nvmet_req_init() resets it to NULL). As soon as an enabled namespace with an NSID greater than the requested value exists, req->ns->csi dereferences a NULL pointer and oopses.

Besides the crash, the comparison is logically wrong: to filter the list by command set it must test the command set of the namespace being iterated, not a single fixed value. Use the loop variable ns->csi.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-80813"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-04T16:18:08Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()\n\nWhen a host issues an Identify command with CNS 07h (Active Namespace ID\nList for a specific I/O Command Set), nvmet_execute_identify_nslist() is\ncalled with match_css set. The command-set filter dereferences req-\u003ens,\nbut this handler never calls nvmet_req_find_ns(), so req-\u003ens is always\nNULL (nvmet_req_init() resets it to NULL). As soon as an enabled\nnamespace with an NSID greater than the requested value exists,\nreq-\u003ens-\u003ecsi dereferences a NULL pointer and oopses.\n\nBesides the crash, the comparison is logically wrong: to filter the list\nby command set it must test the command set of the namespace being\niterated, not a single fixed value. Use the loop variable ns-\u003ecsi.",
  "id": "GHSA-rf7w-4fpm-954r",
  "modified": "2026-09-04T18:31:27Z",
  "published": "2026-09-04T18:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80813"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/123d664ac98d6f3464462ad4a530474b91ba9890"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2bc1e33ff6a558c8ceef7c0077f3ef70a15fcba2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/61dc1a37e04d4003a19095f54883358330034a39"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/79aba4c9403419d822972d2851f2a96a2c0531cf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

OPENSUSE-SU-2026:11773-1

Vulnerability from csaf_opensuse - Published: 2026-09-14 00:00 - Updated: 2026-09-30 15:57

Summary

kernel-devel-7.2.5-1.1 on GA media

Severity

Moderate

Scope

112 vulnerabilities in this advisory, including CVE-2026-80813.

CVE-2026-80813

6.5 (Medium)


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

Recommended: 16 products

Open the full advisory

OPENSUSE-SU-2026:21910-1

Vulnerability from csaf_opensuse - Published: 2026-09-22 15:26 - Updated: 2026-10-02 10:47

Summary

Security update for the Linux Kernel

Severity

Important

Scope

885 vulnerabilities in this advisory, including CVE-2026-80813.

CVE-2026-80813

6.5 (Medium)


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

Recommended: 136 products

Open the full advisory

SUSE-SU-2026:23881-1

Vulnerability from csaf_suse - Published: 2026-09-22 13:18 - Updated: 2026-10-02 10:44

Summary

Security update for the Linux Kernel

Severity

Important

Scope

885 vulnerabilities in this advisory, including CVE-2026-80813.

CVE-2026-80813

6.5 (Medium)


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

Recommended: 8 products

Open the full advisory

SUSE-SU-2026:23887-1

Vulnerability from csaf_suse - Published: 2026-09-22 14:23 - Updated: 2026-10-02 10:44

Summary

Security update for the Linux Kernel

Severity

Important

Scope

885 vulnerabilities in this advisory, including CVE-2026-80813.

CVE-2026-80813

6.5 (Medium)


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

Recommended: 28 products

Open the full advisory

SUSE-SU-2026:23897-1

Vulnerability from csaf_suse - Published: 2026-09-22 13:58 - Updated: 2026-10-02 10:44

Summary

Security update for the Linux Kernel

Severity

Important

Scope

885 vulnerabilities in this advisory, including CVE-2026-80813.

CVE-2026-80813

6.5 (Medium)


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

Recommended: 9 products

Open the full advisory

SUSE-SU-2026:23902-1

Vulnerability from csaf_suse - Published: 2026-09-22 14:23 - Updated: 2026-10-02 10:44

Summary

Security update for the Linux Kernel

Severity

Important

Scope

885 vulnerabilities in this advisory, including CVE-2026-80813.

CVE-2026-80813

6.5 (Medium)


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

Recommended: 114 products

Open the full advisory

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.

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.

Action not permitted

CVE-2026-80813 (GCVE-0-2026-80813)

BELL-CVE-2026-80813 (CVE-2026-80813)

Tags

Sightings

Nomenclature

Related by attack behaviour