{"api_version":"1","generated_at":"2026-05-13T08:50:14+00:00","cve":"CVE-2026-43148","urls":{"html":"https://cve.report/CVE-2026-43148","api":"https://cve.report/api/cve/CVE-2026-43148.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43148","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43148"},"summary":{"title":"powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()","description":"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().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-06 12:16:32","updated_at":"2026-05-06 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/powerpc/kernel/smp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1de31dba19c3cd0c1caf388a286b46df638f0b91","status":"affected","version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","versionType":"git"},{"lessThan":"b265e53d9adfbb5751713185843f7188aa9dd066","status":"affected","version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","versionType":"git"},{"lessThan":"9d0ca11258e7b452653d04310addfec1753de1a2","status":"affected","version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","versionType":"git"},{"lessThan":"ca46d2092f307385a7acfb42632056570d6dbbbc","status":"affected","version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","versionType":"git"},{"lessThan":"9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72","status":"affected","version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","versionType":"git"},{"lessThan":"8b221db0b7d24675e465e98d9326d298025a4e8d","status":"affected","version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","versionType":"git"},{"lessThan":"33c1c6d8a28a2761ac74b0380b2563cf546c2a3a","status":"affected","version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["arch/powerpc/kernel/smp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.11"},{"lessThan":"5.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.202","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.165","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.128","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.75","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.16","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.6","versionStartIncluding":"5.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"5.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","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()."}],"providerMetadata":{"dateUpdated":"2026-05-06T11:27:30.902Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/1de31dba19c3cd0c1caf388a286b46df638f0b91"},{"url":"https://git.kernel.org/stable/c/b265e53d9adfbb5751713185843f7188aa9dd066"},{"url":"https://git.kernel.org/stable/c/9d0ca11258e7b452653d04310addfec1753de1a2"},{"url":"https://git.kernel.org/stable/c/ca46d2092f307385a7acfb42632056570d6dbbbc"},{"url":"https://git.kernel.org/stable/c/9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72"},{"url":"https://git.kernel.org/stable/c/8b221db0b7d24675e465e98d9326d298025a4e8d"},{"url":"https://git.kernel.org/stable/c/33c1c6d8a28a2761ac74b0380b2563cf546c2a3a"}],"title":"powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43148","datePublished":"2026-05-06T11:27:30.902Z","dateReserved":"2026-05-01T14:12:55.989Z","dateUpdated":"2026-05-06T11:27:30.902Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 12:16:32","lastModifiedDate":"2026-05-06 13:07:51","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43148","Ordinal":"1","Title":"powerpc/smp: Add check for kcalloc() failure in parse_thread_gro","CVE":"CVE-2026-43148","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43148","Ordinal":"1","NoteData":"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().","Type":"Description","Title":"powerpc/smp: Add check for kcalloc() failure in parse_thread_gro"}]}}}