CVE-2026-43461

{"id": "CVE-2026-43461", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9", "lessThan": "0a83d6c9e149a176340190fa9cbadf2266db4c9a", "versionType": "git"}, {"status": "affected", "version": "4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9", "lessThan": "c0b88f1176074f80140ed77fce909f254b7180ab", "versionType": "git"}, {"status": "affected", "version": "4670db6f32e9379f5ab6c9bb2a6787cd9b9230a9", "lessThan": "b20b437666e1cb26a7c499d1664e8f2a0ac67000", "versionType": "git"}], "programFiles": ["drivers/spi/spi-amlogic-spifc-a4.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"status": "unaffected", "version": "0", "lessThan": "6.18", "versionType": "semver"}, {"status": "unaffected", "version": "6.18.19", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.9", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/spi/spi-amlogic-spifc-a4.c"], "defaultStatus": "affected"}]}], "published": "2026-05-08T15:16:58.977", "references": [{"url": "https://git.kernel.org/stable/c/0a83d6c9e149a176340190fa9cbadf2266db4c9a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b20b437666e1cb26a7c499d1664e8f2a0ac67000", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c0b88f1176074f80140ed77fce909f254b7180ab", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "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."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nspi: amlogic: spifc-a4: Correcci\u00f3n del manejo de errores de mapeo DMA\n\nCorrige tres errores en las rutas de error de aml_sfc_dma_buffer_setup():\n1. goto innecesario: Cuando el primer mapeo DMA (sfc -> daddr) falla, nada necesita limpieza. Usar retorno directo en lugar de goto.\n2. Error de doble desmapeo: Cuando el mapeo DMA de informaci\u00f3n fallaba, el c\u00f3digo desmapear\u00eda sfc -> daddr en l\u00ednea, luego pasar\u00eda a out_map_data que lo desmapear\u00eda de nuevo, causando un doble desmapeo.\n3. Tama\u00f1o de desmapeo incorrecto: La etiqueta out_map_info us\u00f3 datalen en lugar de infolen al desmapear sfc -> iaddr, lo que podr\u00eda llevar a un comportamiento de sincronizaci\u00f3n DMA incorrecto."}], "lastModified": "2026-11-11T20:10:00.273", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4B3A7D3C-8D62-43DB-ADD2-83F0634E4C23", "versionEndExcluding": "6.18.19", "versionStartIncluding": "6.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E825E7C3-FEAC-4FD3-8A81-78D7387948C9", "versionEndExcluding": "6.19.9", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}