CVE-2025-38300

{"id": "CVE-2025-38300", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-07-10T08:15:28.740", "references": [{"url": "https://git.kernel.org/stable/c/19d267d9fad00d94ad8477899e38ed7c11f33fb6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4051250e5db489f8ad65fc337e2677b9b568ac72", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a0ac3f85b2e3ef529e852f252a70311f9029d5e6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c62b79c1c51303dbcb6edfa4de0ee176f4934c52", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f31adc3e356f7350d4a4d68c98d3f60f2f6e26b3", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ce-cipher - fix error handling in sun8i_ce_cipher_prepare()\n\nFix two DMA cleanup issues on the error path in sun8i_ce_cipher_prepare():\n\n1] If dma_map_sg() fails for areq->dst, the device driver would try to free\n DMA memory it has not allocated in the first place. To fix this, on the\n \"theend_sgs\" error path, call dma unmap only if the corresponding dma\n map was successful.\n\n2] If the dma_map_single() call for the IV fails, the device driver would\n try to free an invalid DMA memory address on the \"theend_iv\" path:\n ------------[ cut here ]------------\n DMA-API: sun8i-ce 1904000.crypto: device driver tries to free an invalid DMA memory address\n WARNING: CPU: 2 PID: 69 at kernel/dma/debug.c:968 check_unmap+0x123c/0x1b90\n Modules linked in: skcipher_example(O+)\n CPU: 2 UID: 0 PID: 69 Comm: 1904000.crypto- Tainted: G O 6.15.0-rc3+ #24 PREEMPT\n Tainted: [O]=OOT_MODULE\n Hardware name: OrangePi Zero2 (DT)\n pc : check_unmap+0x123c/0x1b90\n lr : check_unmap+0x123c/0x1b90\n ...\n Call trace:\n check_unmap+0x123c/0x1b90 (P)\n debug_dma_unmap_page+0xac/0xc0\n dma_unmap_page_attrs+0x1f4/0x5fc\n sun8i_ce_cipher_do_one+0x1bd4/0x1f40\n crypto_pump_work+0x334/0x6e0\n kthread_worker_fn+0x21c/0x438\n kthread+0x374/0x664\n ret_from_fork+0x10/0x20\n ---[ end trace 0000000000000000 ]---\n\nTo fix this, check for !dma_mapping_error() before calling\ndma_unmap_single() on the \"theend_iv\" path."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: crypto: sun8i-ce-cipher - correcci\u00f3n del manejo de errores en sun8i_ce_cipher_prepare(). Se corrigen dos problemas de limpieza de DMA en la ruta de error en sun8i_ce_cipher_prepare(): 1] Si dma_map_sg() falla para areq->dst, el controlador del dispositivo intentar\u00eda liberar memoria DMA que no hab\u00eda asignado inicialmente. Para corregir esto, en la ruta de error \"theend_sgs\", ejecute dma unmap solo si la asignaci\u00f3n de DMA correspondiente se realiz\u00f3 correctamente. 2] Si falla la llamada a dma_map_single() para el IV, el controlador del dispositivo intentar\u00e1 liberar una direcci\u00f3n de memoria DMA no v\u00e1lida en la ruta \"theend_iv\": ------------[ cortar aqu\u00ed ]------------ DMA-API: sun8i-ce 1904000.crypto: el controlador del dispositivo intenta liberar una direcci\u00f3n de memoria DMA no v\u00e1lida ADVERTENCIA: CPU: 2 PID: 69 en kernel/dma/debug.c:968 check_unmap+0x123c/0x1b90 M\u00f3dulos vinculados: skcipher_example(O+) CPU: 2 UID: 0 PID: 69 Comm: 1904000.crypto- Tainted: GO 6.15.0-rc3+ #24 PREEMPT Tainted: [O]=OOT_MODULE Nombre del hardware: OrangePi Zero2 (DT) pc : check_unmap+0x123c/0x1b90 lr : check_unmap+0x123c/0x1b90 ... Rastreo de llamada: check_unmap+0x123c/0x1b90 (P) debug_dma_unmap_page+0xac/0xc0 dma_unmap_page_attrs+0x1f4/0x5fc sun8i_ce_cipher_do_one+0x1bd4/0x1f40 crypto_pump_work+0x334/0x6e0 kthread_worker_fn+0x21c/0x438 kthread+0x374/0x664 ret_from_fork+0x10/0x20 ---[ fin del rastreo 000000000000000 ]--- Para solucionar esto, verifique !dma_mapping_error() antes de llamar dma_unmap_single() en la ruta \"theend_iv\"."}], "lastModified": "2025-12-19T17:56:58.500", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9E4F9900-0D3F-44E5-BA60-F0E6952310EF", "versionEndExcluding": "6.1.142", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "304E3F01-7D7A-4908-994E-7F95C5C00B06", "versionEndExcluding": "6.6.94", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4FFA54AA-CDFE-4591-BD07-72813D0948F4", "versionEndExcluding": "6.12.34", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0541C761-BD5E-4C1A-8432-83B375D7EB92", "versionEndExcluding": "6.15.3", "versionStartIncluding": "6.13"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}