{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T02:28:00.198","vulnerabilities":[{"cve":{"id":"CVE-2022-50151","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-06-18T11:15:45.190","lastModified":"2025-11-20T21:36:06.367","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: fix random warning message when driver load\n\nWarning log:\n[    4.141392] Unexpected gfp: 0x4 (GFP_DMA32). Fixing up to gfp: 0xa20 (GFP_ATOMIC). Fix your code!\n[    4.150340] CPU: 1 PID: 175 Comm: 1-0050 Not tainted 5.15.5-00039-g2fd9ae1b568c #20\n[    4.158010] Hardware name: Freescale i.MX8QXP MEK (DT)\n[    4.163155] Call trace:\n[    4.165600]  dump_backtrace+0x0/0x1b0\n[    4.169286]  show_stack+0x18/0x68\n[    4.172611]  dump_stack_lvl+0x68/0x84\n[    4.176286]  dump_stack+0x18/0x34\n[    4.179613]  kmalloc_fix_flags+0x60/0x88\n[    4.183550]  new_slab+0x334/0x370\n[    4.186878]  ___slab_alloc.part.108+0x4d4/0x748\n[    4.191419]  __slab_alloc.isra.109+0x30/0x78\n[    4.195702]  kmem_cache_alloc+0x40c/0x420\n[    4.199725]  dma_pool_alloc+0xac/0x1f8\n[    4.203486]  cdns3_allocate_trb_pool+0xb4/0xd0\n\npool_alloc_page(struct dma_pool *pool, gfp_t mem_flags)\n{\n\t...\n\tpage = kmalloc(sizeof(*page), mem_flags);\n\tpage->vaddr = dma_alloc_coherent(pool->dev, pool->allocation,\n\t\t\t\t\t &page->dma, mem_flags);\n\t...\n}\n\nkmalloc was called with mem_flags, which is passed down in\ncdns3_allocate_trb_pool() and have GFP_DMA32 flags.\nkmall_fix_flags() report warning.\n\nGFP_DMA32 is not useful at all. dma_alloc_coherent() will handle\nDMA memory region correctly by pool->dev. GFP_DMA32 can be removed\nsafely."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: cdns3: se corrige un mensaje de advertencia aleatorio al cargar el controlador. Registro de advertencias: [4.141392] GFP inesperado: 0x4 (GFP_DMA32). Se está solucionando hasta gfp: 0xa20 (GFP_ATOMIC). ¡Corrige tu código! [ 4.150340] CPU: 1 PID: 175 Comm: 1-0050 No contaminado 5.15.5-00039-g2fd9ae1b568c #20 [ 4.158010] Nombre del hardware: Freescale i.MX8QXP MEK (DT) [ 4.163155] Rastreo de llamadas: [ 4.165600] dump_backtrace+0x0/0x1b0 [ 4.169286] show_stack+0x18/0x68 [ 4.172611] dump_stack_lvl+0x68/0x84 [ 4.176286] dump_stack+0x18/0x34 [ 4.179613] kmalloc_fix_flags+0x60/0x88 [ 4.183550] new_slab+0x334/0x370 [ 4.186878] ___slab_alloc.part.108+0x4d4/0x748 [ 4.191419] __slab_alloc.isra.109+0x30/0x78 [ 4.195702] kmem_cache_alloc+0x40c/0x420 [ 4.199725] dma_pool_alloc+0xac/0x1f8 [ 4.203486] cdns3_allocate_trb_pool+0xb4/0xd0 pool_alloc_page(struct dma_pool *pool, gfp_t mem_flags) { ... page = kmalloc(sizeof(*page), mem_flags); page->vaddr = dma_alloc_coherent(pool->dev, pool->allocation, &page->dma, mem_flags); ... } kmalloc se llamó con mem_flags, que se transmite en cdns3_allocate_trb_pool() y tiene indicadores GFP_DMA32. kmall_fix_flags() informa una advertencia. GFP_DMA32 no es útil. dma_alloc_coherent() gestionará correctamente la región de memoria DMA mediante pool->dev. GFP_DMA32 se puede eliminar de forma segura."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"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","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.15.63","matchCriteriaId":"A2AB1EA2-D627-490F-A831-7710F8F6920E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.19.2","matchCriteriaId":"76BFD0D7-0432-4749-A21D-9EE275AFCB53"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8659ab3d936fcf0084676f98b75b317017aa8f82","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/8e142744f0e96abc69ccd99e6d6c7eb662267f21","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/960a8a35a6027a08c4b511435bf59609b5d5e5cd","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}