Vulnerability-Lookup

GHSA-7V3F-HF4P-6CVJ

Vulnerability from github – Published: 2026-10-15 12:30 – Updated: 2026-10-15 12:30

Details

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

optee: ffa: Add NULL check in optee_ffa_lend_protmem

Sashiko (locally) reports a possible null dereference under memory pressure due to the lack of validation of the allocated pointer.

Fix that by adding the missing check.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-80524"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-26T15:17:06Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\noptee: ffa: Add NULL check in optee_ffa_lend_protmem\n\nSashiko (locally) reports a possible null dereference under memory\npressure due to the lack of validation of the allocated pointer.\n\nFix that by adding the missing check.",
  "id": "GHSA-7v3f-hf4p-6cvj",
  "modified": "2026-10-15T12:30:44Z",
  "published": "2026-10-15T12:30:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80524"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0977a6f23439616701282fc4cb38eca40f36fec6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/650c88738ae8976f46ba71b24dd8aa311adc6fde"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/94bf4fe0e46349c4e73df66dcda073187bc90cc1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-80524 (GCVE-0-2026-80524)

Vulnerability from cvelistv5 – Published: 2026-08-26 14:37 – Updated: 2026-10-15 10:09

Title

optee: ffa: Add NULL check in optee_ffa_lend_protmem

Summary

In the Linux kernel, the following vulnerability has been resolved: optee: ffa: Add NULL check in optee_ffa_lend_protmem Sashiko (locally) reports a possible null dereference under memory pressure due to the lack of validation of the allocated pointer. Fix that by adding the missing check.

Severity

No CVSS data available.

Assigner

Linux CNA under the mitre root

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

References

3 references

URL	Tags
https://git.kernel.org/stable/c/0977a6f2343961670…
https://git.kernel.org/stable/c/94bf4fe0e46349c4e…
https://git.kernel.org/stable/c/650c88738ae8976f4…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf , < 0977a6f23439616701282fc4cb38eca40f36fec6 (git) Affected: 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf , < 94bf4fe0e46349c4e73df66dcda073187bc90cc1 (git) Affected: 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf , < 650c88738ae8976f46ba71b24dd8aa311adc6fde (git)
Linux	Linux	Affected: 6.18 Unaffected: 0 , < 6.18 (semver) Unaffected: 6.18.57 , ≤ 6.18.* (semver) Unaffected: 7.1.10 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/tee/optee/ffa_abi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0977a6f23439616701282fc4cb38eca40f36fec6",
              "status": "affected",
              "version": "2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf",
              "versionType": "git"
            },
            {
              "lessThan": "94bf4fe0e46349c4e73df66dcda073187bc90cc1",
              "status": "affected",
              "version": "2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf",
              "versionType": "git"
            },
            {
              "lessThan": "650c88738ae8976f46ba71b24dd8aa311adc6fde",
              "status": "affected",
              "version": "2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf",
              "versionType": "git"
            }
          ]
        },
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          "defaultStatus": "affected",
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          "programFiles": [
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          ],
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          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.57",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.10",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                }
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              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\noptee: ffa: Add NULL check in optee_ffa_lend_protmem\n\nSashiko (locally) reports a possible null dereference under memory\npressure due to the lack of validation of the allocated pointer.\n\nFix that by adding the missing check."
        }
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      "providerMetadata": {
        "dateUpdated": "2026-10-15T10:09:33.300Z",
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        "shortName": "Linux"
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        },
        {
          "url": "https://git.kernel.org/stable/c/650c88738ae8976f46ba71b24dd8aa311adc6fde"
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      ],
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80524",
    "datePublished": "2026-08-26T14:37:04.373Z",
    "dateReserved": "2026-08-26T14:34:25.764Z",
    "dateUpdated": "2026-10-15T10:09:33.300Z",
    "state": "PUBLISHED"
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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.

Vulnerability timeline

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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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