{"id":"CVE-2026-43148","state":"PUBLISHED","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().","publishedAt":"2026-05-06T11:27:30.902Z","updatedAt":"2026-05-11T22:18:41.424Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"1de31dba19c3cd0c1caf388a286b46df638f0b91","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"b265e53d9adfbb5751713185843f7188aa9dd066","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"9d0ca11258e7b452653d04310addfec1753de1a2","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"ca46d2092f307385a7acfb42632056570d6dbbbc","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"8b221db0b7d24675e465e98d9326d298025a4e8d","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"33c1c6d8a28a2761ac74b0380b2563cf546c2a3a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/kernel/smp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/kernel/smp.c"]}],"references":["https://git.kernel.org/stable/c/1de31dba19c3cd0c1caf388a286b46df638f0b91","https://git.kernel.org/stable/c/b265e53d9adfbb5751713185843f7188aa9dd066","https://git.kernel.org/stable/c/9d0ca11258e7b452653d04310addfec1753de1a2","https://git.kernel.org/stable/c/ca46d2092f307385a7acfb42632056570d6dbbbc","https://git.kernel.org/stable/c/9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72","https://git.kernel.org/stable/c/8b221db0b7d24675e465e98d9326d298025a4e8d","https://git.kernel.org/stable/c/33c1c6d8a28a2761ac74b0380b2563cf546c2a3a"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43148.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43148","state":"PUBLISHED","datePublished":"2026-05-06T11:27:30.902Z","dateUpdated":"2026-05-11T22:18:41.424Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:55.989Z"},"containers":{"cna":{"title":"powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()","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()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"1de31dba19c3cd0c1caf388a286b46df638f0b91","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"b265e53d9adfbb5751713185843f7188aa9dd066","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"9d0ca11258e7b452653d04310addfec1753de1a2","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"ca46d2092f307385a7acfb42632056570d6dbbbc","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"8b221db0b7d24675e465e98d9326d298025a4e8d","versionType":"git"},{"version":"790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2","status":"affected","lessThan":"33c1c6d8a28a2761ac74b0380b2563cf546c2a3a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/kernel/smp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/kernel/smp.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:18:41.424Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}