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89 lines
3.7 KiB
JSON
89 lines
3.7 KiB
JSON
{
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"id": "CVE-2024-26912",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-04-17T16:15:07.990",
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"lastModified": "2024-04-29T19:20:57.410",
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"vulnStatus": "Analyzed",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau: fix several DMA buffer leaks\n\nNouveau manages GSP-RM DMA buffers with nvkm_gsp_mem objects. Several of\nthese buffers are never dealloced. Some of them can be deallocated\nright after GSP-RM is initialized, but the rest need to stay until the\ndriver unloads.\n\nAlso futher bullet-proof these objects by poisoning the buffer and\nclearing the nvkm_gsp_mem object when it is deallocated. Poisoning\nthe buffer should trigger an error (or crash) from GSP-RM if it tries\nto access the buffer after we've deallocated it, because we were wrong\nabout when it is safe to deallocate.\n\nFinally, change the mem->size field to a size_t because that's the same\ntype that dma_alloc_coherent expects."
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},
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{
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"lang": "es",
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/nouveau: corrige varias fugas del b\u00fafer DMA Nouveau administra los buffers DMA GSP-RM con objetos nvkm_gsp_mem. Varios de estos b\u00faferes nunca se desasignan. Algunos de ellos se pueden desasignar inmediatamente despu\u00e9s de que se inicializa GSP-RM, pero el resto debe permanecer hasta que se descargue el controlador. Tambi\u00e9n proteja a\u00fan m\u00e1s estos objetos envenenando el b\u00fafer y limpiando el objeto nvkm_gsp_mem cuando se desasigna. El envenenamiento del b\u00fafer deber\u00eda provocar un error (o bloqueo) de GSP-RM si intenta acceder al b\u00fafer despu\u00e9s de haberlo desasignado, porque nos equivocamos acerca de cu\u00e1ndo es seguro desasignarlo. Finalmente, cambie el campo mem->size a size_t porque es el mismo tipo que espera dma_alloc_coherent."
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-401"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartExcluding": "6.7.0",
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"versionEndExcluding": "6.7.6",
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"matchCriteriaId": "ABAABB52-E12B-4FA5-9F6F-94F0E111832F"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/042b5f83841fbf7ce39474412db3b5e4765a7ea7",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/6190d4c08897d748dd25f0b78267a90aa1694e15",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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}
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]
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} |