Vulnerability-Lookup

GHSA-7XGQ-2F8H-FVH6

Vulnerability from github – Published: 2026-05-06 12:30 – Updated: 2026-05-13 21:31

Details

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 ?

5.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-43148"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-06T12:16:32Z",
    "severity": "MODERATE"
  },
  "details": "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().",
  "id": "GHSA-7xgq-2f8h-fvh6",
  "modified": "2026-05-13T21:31:58Z",
  "published": "2026-05-06T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43148"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1de31dba19c3cd0c1caf388a286b46df638f0b91"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/33c1c6d8a28a2761ac74b0380b2563cf546c2a3a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8b221db0b7d24675e465e98d9326d298025a4e8d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9d0ca11258e7b452653d04310addfec1753de1a2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b265e53d9adfbb5751713185843f7188aa9dd066"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca46d2092f307385a7acfb42632056570d6dbbbc"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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

Vulnerability from cvelistv5 – Published: 2026-05-06 11:27 – Updated: 2026-05-11 22:18

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

Linux

References

7 references

URL	Tags
https://git.kernel.org/stable/c/1de31dba19c3cd0c1…
https://git.kernel.org/stable/c/b265e53d9adfbb575…
https://git.kernel.org/stable/c/9d0ca11258e7b4526…
https://git.kernel.org/stable/c/ca46d2092f307385a…
https://git.kernel.org/stable/c/9b85c8f624b0f8cf9…
https://git.kernel.org/stable/c/8b221db0b7d24675e…
https://git.kernel.org/stable/c/33c1c6d8a28a2761a…

Impacted products

2 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)
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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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
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              "versionType": "semver"
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      "cpeApplicability": [
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        }
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-7XGQ-2F8H-FVH6

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

Tags

Sightings

Nomenclature