{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72156", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.909Z", "datePublished": "2026-08-15T05:53:25.979Z", "dateUpdated": "2026-08-17T05:09:16.408Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:09:16.408Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/fpga/microchip-spi.c"], "versions": [{"version": "5f8d4a9008307e0bf210906948953386935d361c", "lessThan": "e45ec24d8e986d79a8e07f49a816c414ad283622", "status": "affected", "versionType": "git"}, {"version": "5f8d4a9008307e0bf210906948953386935d361c", "lessThan": "0d3766fecd9b2db39a18b48021c15c522997ec25", "status": "affected", "versionType": "git"}, {"version": "5f8d4a9008307e0bf210906948953386935d361c", "lessThan": "a1baee24df72ec8fd1d6925c1d5162ffff4ee3bf", "status": "affected", "versionType": "git"}, {"version": "5f8d4a9008307e0bf210906948953386935d361c", "lessThan": "c9ef79e34bc1eac4fd59051e5c7b96a74e59d46f", "status": "affected", "versionType": "git"}, {"version": "5f8d4a9008307e0bf210906948953386935d361c", "lessThan": "3da8eaf5469eda2353b72038d644fabddb848ce1", "status": "affected", "versionType": "git"}, {"version": "5f8d4a9008307e0bf210906948953386935d361c", "lessThan": "43a1974da6bc7ce8f4d1dc1d03d56997428c29c3", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/fpga/microchip-spi.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.2"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-72156", "lastModified": "2026-08-17T06:18:15.820", "metrics": {}, "published": "2026-08-15T06:21:33.373", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0d3766fecd9b2db39a18b48021c15c522997ec25"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3da8eaf5469eda2353b72038d644fabddb848ce1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/43a1974da6bc7ce8f4d1dc1d03d56997428c29c3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a1baee24df72ec8fd1d6925c1d5162ffff4ee3bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c9ef79e34bc1eac4fd59051e5c7b96a74e59d46f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e45ec24d8e986d79a8e07f49a816c414ad283622"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: fpga: microchip-spi: fix zero header_size OOB read in mpf_ops_parse_header()", "id": "2516329", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516329"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in the Linux kernel's microchip-spi Field-Programmable Gate Array (FPGA) module. This vulnerability occurs in the `mpf_ops_parse_header()` function when processing a bitstream. If a crafted bitstream sets the `header_size` to zero, the function attempts to read data from memory before the allocated buffer, leading to an out-of-bounds read. This could potentially allow a local attacker to gain access to sensitive information or cause a denial of service."], "name": "CVE-2026-72156", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72156\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72156\nhttps://lore.kernel.org/linux-cve-announce/2026081535-CVE-2026-72156-0591@gregkh/T"], "threat_severity": "Moderate"}