{"api_version":"1","generated_at":"2026-08-23T11:41:50+00:00","cve":"CVE-2026-72156","urls":{"html":"https://cve.report/CVE-2026-72156","api":"https://cve.report/api/cve/CVE-2026-72156.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72156","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72156"},"summary":{"title":"fpga: microchip-spi: fix zero header_size OOB read in mpf_ops_parse_header()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfpga: microchip-spi: fix zero header_size OOB read in mpf_ops_parse_header()\n\nmpf_ops_parse_header() reads header_size from the bitstream at\nMPF_HEADER_SIZE_OFFSET (24). When header_size is zero, the expression\n*(buf + header_size - 1) reads one byte before the buffer start.\n\nSince initial_header_size is set to 71 in mpf_ops, the fpga-mgr core\nguarantees the buffer is large enough to reach MPF_HEADER_SIZE_OFFSET.\nThe only real gap is the zero header_size case, which cannot be\nresolved by providing a larger buffer, so return -EINVAL.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:21:33","updated_at":"2026-08-17 06:18:15"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/3da8eaf5469eda2353b72038d644fabddb848ce1","name":"https://git.kernel.org/stable/c/3da8eaf5469eda2353b72038d644fabddb848ce1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0d3766fecd9b2db39a18b48021c15c522997ec25","name":"https://git.kernel.org/stable/c/0d3766fecd9b2db39a18b48021c15c522997ec25","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c9ef79e34bc1eac4fd59051e5c7b96a74e59d46f","name":"https://git.kernel.org/stable/c/c9ef79e34bc1eac4fd59051e5c7b96a74e59d46f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/43a1974da6bc7ce8f4d1dc1d03d56997428c29c3","name":"https://git.kernel.org/stable/c/43a1974da6bc7ce8f4d1dc1d03d56997428c29c3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e45ec24d8e986d79a8e07f49a816c414ad283622","name":"https://git.kernel.org/stable/c/e45ec24d8e986d79a8e07f49a816c414ad283622","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a1baee24df72ec8fd1d6925c1d5162ffff4ee3bf","name":"https://git.kernel.org/stable/c/a1baee24df72ec8fd1d6925c1d5162ffff4ee3bf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72156","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72156","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5f8d4a9008307e0bf210906948953386935d361c e45ec24d8e986d79a8e07f49a816c414ad283622 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5f8d4a9008307e0bf210906948953386935d361c 0d3766fecd9b2db39a18b48021c15c522997ec25 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5f8d4a9008307e0bf210906948953386935d361c a1baee24df72ec8fd1d6925c1d5162ffff4ee3bf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5f8d4a9008307e0bf210906948953386935d361c c9ef79e34bc1eac4fd59051e5c7b96a74e59d46f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5f8d4a9008307e0bf210906948953386935d361c 3da8eaf5469eda2353b72038d644fabddb848ce1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5f8d4a9008307e0bf210906948953386935d361c 43a1974da6bc7ce8f4d1dc1d03d56997428c29c3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72156","cve":"CVE-2026-72156","epss":"0.002050000","percentile":"0.108850000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/fpga/microchip-spi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e45ec24d8e986d79a8e07f49a816c414ad283622","status":"affected","version":"5f8d4a9008307e0bf210906948953386935d361c","versionType":"git"},{"lessThan":"0d3766fecd9b2db39a18b48021c15c522997ec25","status":"affected","version":"5f8d4a9008307e0bf210906948953386935d361c","versionType":"git"},{"lessThan":"a1baee24df72ec8fd1d6925c1d5162ffff4ee3bf","status":"affected","version":"5f8d4a9008307e0bf210906948953386935d361c","versionType":"git"},{"lessThan":"c9ef79e34bc1eac4fd59051e5c7b96a74e59d46f","status":"affected","version":"5f8d4a9008307e0bf210906948953386935d361c","versionType":"git"},{"lessThan":"3da8eaf5469eda2353b72038d644fabddb848ce1","status":"affected","version":"5f8d4a9008307e0bf210906948953386935d361c","versionType":"git"},{"lessThan":"43a1974da6bc7ce8f4d1dc1d03d56997428c29c3","status":"affected","version":"5f8d4a9008307e0bf210906948953386935d361c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/fpga/microchip-spi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.0"},{"lessThan":"6.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfpga: microchip-spi: fix zero header_size OOB read in mpf_ops_parse_header()\n\nmpf_ops_parse_header() reads header_size from the bitstream at\nMPF_HEADER_SIZE_OFFSET (24). When header_size is zero, the expression\n*(buf + header_size - 1) reads one byte before the buffer start.\n\nSince initial_header_size is set to 71 in mpf_ops, the fpga-mgr core\nguarantees the buffer is large enough to reach MPF_HEADER_SIZE_OFFSET.\nThe only real gap is the zero header_size case, which cannot be\nresolved by providing a larger buffer, so return -EINVAL."}],"providerMetadata":{"dateUpdated":"2026-08-17T05:09:16.408Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e45ec24d8e986d79a8e07f49a816c414ad283622"},{"url":"https://git.kernel.org/stable/c/0d3766fecd9b2db39a18b48021c15c522997ec25"},{"url":"https://git.kernel.org/stable/c/a1baee24df72ec8fd1d6925c1d5162ffff4ee3bf"},{"url":"https://git.kernel.org/stable/c/c9ef79e34bc1eac4fd59051e5c7b96a74e59d46f"},{"url":"https://git.kernel.org/stable/c/3da8eaf5469eda2353b72038d644fabddb848ce1"},{"url":"https://git.kernel.org/stable/c/43a1974da6bc7ce8f4d1dc1d03d56997428c29c3"}],"title":"fpga: microchip-spi: fix zero header_size OOB read in mpf_ops_parse_header()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72156","datePublished":"2026-08-15T05:53:25.979Z","dateReserved":"2026-08-09T03:40:39.909Z","dateUpdated":"2026-08-17T05:09:16.408Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:21:33","lastModifiedDate":"2026-08-17 06:18:15","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72156","Ordinal":"1","Title":"fpga: microchip-spi: fix zero header_size OOB read in mpf_ops_pa","CVE":"CVE-2026-72156","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72156","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nfpga: microchip-spi: fix zero header_size OOB read in mpf_ops_parse_header()\n\nmpf_ops_parse_header() reads header_size from the bitstream at\nMPF_HEADER_SIZE_OFFSET (24). When header_size is zero, the expression\n*(buf + header_size - 1) reads one byte before the buffer start.\n\nSince initial_header_size is set to 71 in mpf_ops, the fpga-mgr core\nguarantees the buffer is large enough to reach MPF_HEADER_SIZE_OFFSET.\nThe only real gap is the zero header_size case, which cannot be\nresolved by providing a larger buffer, so return -EINVAL.","Type":"Description","Title":"fpga: microchip-spi: fix zero header_size OOB read in mpf_ops_pa"}]}}}