{"vulnerability": "CVE-2022-50151", "sightings": [{"uuid": "9415de83-dcbc-49f1-b975-9bee7f954f20", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "c933734a-9be8-4142-889e-26e95c752803", "vulnerability": "CVE-2022-50151", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/816dcc8e-f25a-4895-9b59-1bbd9caeccb8", "content": "", "creation_timestamp": "2025-12-03T14:14:49.267740Z"}, {"uuid": "1cc54d2d-f34d-4f38-b7ab-4b87cdd3f74f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2022-50151", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/18851", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2022-50151\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: 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 ...\n page = kmalloc(sizeof(*page), mem_flags);\n page->vaddr = dma_alloc_coherent(pool->dev, pool->allocation,\n      &page->dma, mem_flags);\n ...\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.\n\ud83d\udccf Published: 2025-06-18T11:03:10.569Z\n\ud83d\udccf Modified: 2025-06-19T13:10:52.036Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/8e142744f0e96abc69ccd99e6d6c7eb662267f21\n2. https://git.kernel.org/stable/c/960a8a35a6027a08c4b511435bf59609b5d5e5cd\n3. https://git.kernel.org/stable/c/8659ab3d936fcf0084676f98b75b317017aa8f82", "creation_timestamp": "2025-06-19T13:39:43.000000Z"}]}