CVE-2026-43148 (GCVE-0-2026-43148)

Vulnerability from cvelistv5 – Published: 2026-05-06 11:27 – Updated: 2026-05-06 11:27
VLAI?
Title
powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Add check for kcalloc() failure in parse_thread_groups() As kcalloc() may fail, check its return value to avoid a NULL pointer dereference when passing it to of_property_read_u32_array().
Severity ?
No CVSS data available.
Assigner
Impacted products
Vendor Product Version
Linux Linux Affected: 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 , < 1de31dba19c3cd0c1caf388a286b46df638f0b91 (git)
Affected: 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 , < b265e53d9adfbb5751713185843f7188aa9dd066 (git)
Affected: 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 , < 9d0ca11258e7b452653d04310addfec1753de1a2 (git)
Affected: 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 , < ca46d2092f307385a7acfb42632056570d6dbbbc (git)
Affected: 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 , < 9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72 (git)
Affected: 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 , < 8b221db0b7d24675e465e98d9326d298025a4e8d (git)
Affected: 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 , < 33c1c6d8a28a2761ac74b0380b2563cf546c2a3a (git)
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    Linux Linux Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.15.202 , ≤ 5.15.* (semver)
Unaffected: 6.1.165 , ≤ 6.1.* (semver)
Unaffected: 6.6.128 , ≤ 6.6.* (semver)
Unaffected: 6.12.75 , ≤ 6.12.* (semver)
Unaffected: 6.18.16 , ≤ 6.18.* (semver)
Unaffected: 6.19.6 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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Show details on NVD website

{
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              "status": "unaffected",
              "version": "6.6.128",
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              "status": "unaffected",
              "version": "6.12.75",
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              "lessThanOrEqual": "6.18.*",
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              "version": "6.18.16",
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            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.6",
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/smp: Add check for kcalloc() failure in parse_thread_groups()\n\nAs kcalloc() may fail, check its return value to avoid a NULL pointer\ndereference when passing it to of_property_read_u32_array()."
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-06T11:27:30.902Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/33c1c6d8a28a2761ac74b0380b2563cf546c2a3a"
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    "dateReserved": "2026-05-01T14:12:55.989Z",
    "dateUpdated": "2026-05-06T11:27:30.902Z",
    "state": "PUBLISHED"
  },
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  }
}


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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

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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