{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43461", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.010Z", "datePublished": "2026-05-08T14:22:23.999Z", "dateUpdated": "2026-05-11T22:25:02.472Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:25:02.472Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: amlogic: spifc-a4: Fix DMA mapping error handling\n\nFix three bugs in aml_sfc_dma_buffer_setup() error paths:\n1. Unnecessary goto: When the first DMA mapping (sfc->daddr) fails,\n nothing needs cleanup. Use direct return instead of goto.\n2. Double-unmap bug: When info DMA mapping failed, the code would\n unmap sfc->daddr inline, then fall through to out_map_data which\n would unmap it again, causing a double-unmap.\n3. Wrong unmap size: The out_map_info label used datalen instead of\n infolen when unmapping sfc->iaddr, which could lead to incorrect\n DMA sync behavior."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/spi/spi-amlogic-spifc-a4.c"], "versions": [{"version": "4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9", "lessThan": "0a83d6c9e149a176340190fa9cbadf2266db4c9a", "status": "affected", "versionType": "git"}, {"version": "4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9", "lessThan": "c0b88f1176074f80140ed77fce909f254b7180ab", "status": "affected", "versionType": "git"}, {"version": "4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9", "lessThan": "b20b437666e1cb26a7c499d1664e8f2a0ac67000", "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/spi/spi-amlogic-spifc-a4.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.19", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.9", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.18", "versionEndExcluding": "6.18.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.19.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0a83d6c9e149a176340190fa9cbadf2266db4c9a"}, {"url": "https://git.kernel.org/stable/c/c0b88f1176074f80140ed77fce909f254b7180ab"}, {"url": "https://git.kernel.org/stable/c/b20b437666e1cb26a7c499d1664e8f2a0ac67000"}], "title": "spi: amlogic: spifc-a4: Fix DMA mapping error handling", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: spi: amlogic: spifc-a4: Fix DMA mapping error handling", "id": "2468210", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468210"}, "csaw": false, "cwe": "CWE-763", "details": ["A flaw was found in the Linux kernel, specifically within the `spi: amlogic: spifc-a4` module. This vulnerability involves errors in the handling of Direct Memory Access (DMA) mapping within the `aml_sfc_dma_buffer_setup()` function. These errors include a double-unmap bug and an incorrect unmap size, which can lead to improper memory synchronization. An attacker could potentially exploit these memory management issues to cause a system crash, leading to a Denial of Service (DoS)."], "name": "CVE-2026-43461", "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": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43461\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43461\nhttps://lore.kernel.org/linux-cve-announce/2026050801-CVE-2026-43461-908f@gregkh/T"]}

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