{"vulnerability": "CVE-2021-47372", "sightings": [{"uuid": "b88ce215-284a-45ca-9a42-3b790b3a4697", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-47372", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/16499", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-47372\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\nnet: macb: fix use after free on rmmod\n\nplat_dev-&gt;dev-&gt;platform_data is released by platform_device_unregister(),\nuse of pclk and hclk is a use-after-free. Since device unregister won't\nneed a clk device we adjust the function call sequence to fix this issue.\n\n[   31.261225] BUG: KASAN: use-after-free in macb_remove+0x77/0xc6 [macb_pci]\n[   31.275563] Freed by task 306:\n[   30.276782]  platform_device_release+0x25/0x80\n\ud83d\udccf Published: 2024-05-21T15:03:37.135Z\n\ud83d\udccf Modified: 2025-05-15T12:32:27.861Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/a7d521cc726f30b8e679a6f36d04b18a8ab3c536\n2. https://git.kernel.org/stable/c/46670fb832ee80943715df618632ca13c2e96f2b\n3. https://git.kernel.org/stable/c/1da750d1e2140ef43d64d17f301ff6f41b45541e\n4. https://git.kernel.org/stable/c/7721221e87d25c9840d9ca6b986dbdc410d5ce2b\n5. https://git.kernel.org/stable/c/4ad6f2d23b0f6ac0d3e5f3102a4256d1c86c90f5\n6. https://git.kernel.org/stable/c/d82d5303c4c539db86588ffb5dc5b26c3f1513e8", "creation_timestamp": "2025-05-15T13:33:47.000000Z"}]}