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

Vulnerability from cvelistv5 – Published: 2026-08-26 14:37 – Updated: 2026-08-26 14:37
VLAI
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.
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf , < 94bf4fe0e46349c4e73df66dcda073187bc90cc1 (git)
Affected: 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf , < 650c88738ae8976f46ba71b24dd8aa311adc6fde (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.18
Unaffected: 0 , < 6.18 (semver)
Unaffected: 7.1.10 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

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    "datePublished": "2026-08-26T14:37:04.373Z",
    "dateReserved": "2026-08-26T14:34:25.764Z",
    "dateUpdated": "2026-08-26T14:37:04.373Z",
    "state": "PUBLISHED"
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-27T05:45:16+00:00",
      "cve": "CVE-2026-80524",
      "id": "CVE-2026-80524",
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      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: optee: ffa: Add NULL check in optee_ffa_lend_protmem",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80524.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • 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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