Vulnerability-Lookup

GHSA-V4H2-GGGG-PG57

Vulnerability from github – Published: 2026-08-28 09:31 – Updated: 2026-08-28 09:31

Details

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

EDAC/igen6: Fix call trace due to missing release()

When unloading the igen6_edac driver, there is a call trace:

Device '(null)' does not have a release() function, it is broken and must be fixed. See Documentation/core-api/kobject.rst. WARNING: drivers/base/core.c:2567 at device_release+0x84/0x90, CPU#5: rmmod/127209 ... RIP: 0010:device_release+0x84/0x90 Call Trace: kobject_put+0x8c/0x220 put_device+0x17/0x30 igen6_unregister_mcis+0xa2/0xe0 [igen6_edac] igen6_remove+0x82/0xb0 [igen6_edac] ...

Fix the call trace by providing empty release() functions for the memory controller devices.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-80643"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T08:16:49Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nEDAC/igen6: Fix call trace due to missing release()\n\nWhen unloading the igen6_edac driver, there is a call trace:\n\n  Device \u0027(null)\u0027 does not have a release() function, it is broken and must be fixed.\n  See Documentation/core-api/kobject.rst.\n  WARNING: drivers/base/core.c:2567 at device_release+0x84/0x90, CPU#5: rmmod/127209\n  ...\n  RIP: 0010:device_release+0x84/0x90\n  Call Trace:\n   \u003cTASK\u003e\n   kobject_put+0x8c/0x220\n   put_device+0x17/0x30\n   igen6_unregister_mcis+0xa2/0xe0 [igen6_edac]\n   igen6_remove+0x82/0xb0 [igen6_edac]\n   ...\n\nFix the call trace by providing empty release() functions for the\nmemory controller devices.",
  "id": "GHSA-v4h2-gggg-pg57",
  "modified": "2026-08-28T09:31:48Z",
  "published": "2026-08-28T09:31:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80643"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9a84ced0243c74aa431ec287555054c69e6167d1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a341302c5126ef96bb45286224d67ef60a24281e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ab1f9d466c7d83ab0d2a529e07984e53b5960dcd"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-80643 (GCVE-0-2026-80643)

Vulnerability from cvelistv5 – Published: 2026-08-28 06:48 – Updated: 2026-08-28 06:48

Title

EDAC/igen6: Fix call trace due to missing release()

Summary

In the Linux kernel, the following vulnerability has been resolved: EDAC/igen6: Fix call trace due to missing release() When unloading the igen6_edac driver, there is a call trace: Device '(null)' does not have a release() function, it is broken and must be fixed. See Documentation/core-api/kobject.rst. WARNING: drivers/base/core.c:2567 at device_release+0x84/0x90, CPU#5: rmmod/127209 ... RIP: 0010:device_release+0x84/0x90 Call Trace: <TASK> kobject_put+0x8c/0x220 put_device+0x17/0x30 igen6_unregister_mcis+0xa2/0xe0 [igen6_edac] igen6_remove+0x82/0xb0 [igen6_edac] ... Fix the call trace by providing empty release() functions for the memory controller devices.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

3 references

URL	Tags
https://git.kernel.org/stable/c/9a84ced0243c74aa4…
https://git.kernel.org/stable/c/a341302c5126ef96b…
https://git.kernel.org/stable/c/ab1f9d466c7d83ab0…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 10590a9d4f23e0a519730d79d39331df60ad2079 , < 9a84ced0243c74aa431ec287555054c69e6167d1 (git) Affected: 10590a9d4f23e0a519730d79d39331df60ad2079 , < a341302c5126ef96bb45286224d67ef60a24281e (git) Affected: 10590a9d4f23e0a519730d79d39331df60ad2079 , < ab1f9d466c7d83ab0d2a529e07984e53b5960dcd (git)
Linux	Linux	Affected: 5.11 Unaffected: 0 , < 5.11 (semver) Unaffected: 6.18.40 , ≤ 6.18.* (semver) Unaffected: 7.1.5 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/edac/igen6_edac.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "9a84ced0243c74aa431ec287555054c69e6167d1",
              "status": "affected",
              "version": "10590a9d4f23e0a519730d79d39331df60ad2079",
              "versionType": "git"
            },
            {
              "lessThan": "a341302c5126ef96bb45286224d67ef60a24281e",
              "status": "affected",
              "version": "10590a9d4f23e0a519730d79d39331df60ad2079",
              "versionType": "git"
            },
            {
              "lessThan": "ab1f9d466c7d83ab0d2a529e07984e53b5960dcd",
              "status": "affected",
              "version": "10590a9d4f23e0a519730d79d39331df60ad2079",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/edac/igen6_edac.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.11"
            },
            {
              "lessThan": "5.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nEDAC/igen6: Fix call trace due to missing release()\n\nWhen unloading the igen6_edac driver, there is a call trace:\n\n  Device \u0027(null)\u0027 does not have a release() function, it is broken and must be fixed.\n  See Documentation/core-api/kobject.rst.\n  WARNING: drivers/base/core.c:2567 at device_release+0x84/0x90, CPU#5: rmmod/127209\n  ...\n  RIP: 0010:device_release+0x84/0x90\n  Call Trace:\n   \u003cTASK\u003e\n   kobject_put+0x8c/0x220\n   put_device+0x17/0x30\n   igen6_unregister_mcis+0xa2/0xe0 [igen6_edac]\n   igen6_remove+0x82/0xb0 [igen6_edac]\n   ...\n\nFix the call trace by providing empty release() functions for the\nmemory controller devices."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-28T06:48:54.439Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/9a84ced0243c74aa431ec287555054c69e6167d1"
        },
        {
          "url": "https://git.kernel.org/stable/c/a341302c5126ef96bb45286224d67ef60a24281e"
        },
        {
          "url": "https://git.kernel.org/stable/c/ab1f9d466c7d83ab0d2a529e07984e53b5960dcd"
        }
      ],
      "title": "EDAC/igen6: Fix call trace due to missing release()",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80643",
    "datePublished": "2026-08-28T06:48:54.439Z",
    "dateReserved": "2026-08-26T14:34:25.778Z",
    "dateUpdated": "2026-08-28T06:48:54.439Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-V4H2-GGGG-PG57

CVE-2026-80643 (GCVE-0-2026-80643)

Tags

Sightings

Nomenclature