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

Vulnerability from cvelistv5 – Published: 2026-05-06 11:27 – Updated: 2026-05-11 22:18
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
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
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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      "source": "Red Hat CSAF VEX",
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      "title": "kernel: powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43148.json",
      "version": "3"
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    "suse_vex": {
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      "current_release_date": "2026-05-08T02:20:51Z",
      "cve": "CVE-2026-43148",
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      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-43148",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-43148.json",
      "version": "2"
    }
  }
}



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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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