Vulnerability-Lookup

GHSA-FP69-7JH5-PP7R

Vulnerability from github – Published: 2026-08-27 06:31 – Updated: 2026-08-27 15:31

Details

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

s390/vfio_ccw: Ensure index for read/write regions are within range

The introduction of the capability chain rightly clamped the region indexes to the range of the capabilities itself, but neglected to do so for the existing read/write regions which should also be enforced.

Severity

8.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-80552"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-26T15:17:09Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/vfio_ccw: Ensure index for read/write regions are within range\n\nThe introduction of the capability chain rightly clamped the\nregion indexes to the range of the capabilities itself, but\nneglected to do so for the existing read/write regions which\nshould also be enforced.",
  "id": "GHSA-fp69-7jh5-pp7r",
  "modified": "2026-08-27T15:31:32Z",
  "published": "2026-08-27T06:31:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80552"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3acbedf5c0b8e0971f0de423c05cc02bbf6ddb99"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/649badf3a2fd8929e40198603a2cb21b74c21700"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/79ea5e0c4c8a9842ae85f45062d947b3297dfc07"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/988d9b5be3c2c4baf9457ce8e11b477e13eb9fcf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9f5f9a78fedc45bc29d6a0a64e3a3472361afae5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d3b1e38404b22df5a1f93019f2bb656feaad5ae3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d597fa1273802941c7801202135976fecc29672b"
    }
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  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
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}

CVE-2026-80552 (GCVE-0-2026-80552)

Vulnerability from cvelistv5 – Published: 2026-08-26 14:37 – Updated: 2026-10-16 19:26

Title

s390/vfio_ccw: Ensure index for read/write regions are within range

Summary

In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Ensure index for read/write regions are within range The introduction of the capability chain rightly clamped the region indexes to the range of the capabilities itself, but neglected to do so for the existing read/write regions which should also be enforced.

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-16 19:17 UTC

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6664 records in the last 180 days details

References

7 references

URL	Tags
https://git.kernel.org/stable/c/3acbedf5c0b8e0971…
https://git.kernel.org/stable/c/d3b1e38404b22df5a…
https://git.kernel.org/stable/c/79ea5e0c4c8a9842a…
https://git.kernel.org/stable/c/d597fa1273802941c…
https://git.kernel.org/stable/c/649badf3a2fd8929e…
https://git.kernel.org/stable/c/988d9b5be3c2c4baf…
https://git.kernel.org/stable/c/9f5f9a78fedc45bc2…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 , < 3acbedf5c0b8e0971f0de423c05cc02bbf6ddb99 (git) Affected: db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 , < d3b1e38404b22df5a1f93019f2bb656feaad5ae3 (git) Affected: db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 , < 79ea5e0c4c8a9842ae85f45062d947b3297dfc07 (git) Affected: db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 , < d597fa1273802941c7801202135976fecc29672b (git) Affected: db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 , < 649badf3a2fd8929e40198603a2cb21b74c21700 (git) Affected: db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 , < 988d9b5be3c2c4baf9457ce8e11b477e13eb9fcf (git) Affected: db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 , < 9f5f9a78fedc45bc29d6a0a64e3a3472361afae5 (git)
Linux	Linux	Affected: 5.2 Unaffected: 0 , < 5.2 (semver) Unaffected: 5.15.218 , ≤ 5.15.* (semver) Unaffected: 6.1.184 , ≤ 6.1.* (semver) Unaffected: 6.6.153 , ≤ 6.6.* (semver) Unaffected: 6.12.105 , ≤ 6.12.* (semver) Unaffected: 6.18.46 , ≤ 6.18.* (semver) Unaffected: 7.1.10 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "adp": [
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-80552",
                "options": [
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                "timestamp": "2026-10-16T19:17:15.526707Z",
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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.

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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.
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