{"uuid": "5308385d-b28e-4a99-8edf-374df27113ce", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-22039", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/13998", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-22039\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix overflow in dacloffset bounds check\n\nThe dacloffset field was originally typed as int and used in an\nunchecked addition, which could overflow and bypass the existing\nbounds check in both smb_check_perm_dacl() and smb_inherit_dacl().\n\nThis could result in out-of-bounds memory access and a kernel crash\nwhen dereferencing the DACL pointer.\n\nThis patch converts dacloffset to unsigned int and uses\ncheck_add_overflow() to validate access to the DACL.\n\ud83d\udccf Published: 2025-04-16T14:11:56.975Z\n\ud83d\udccf Modified: 2025-04-30T09:32:57.697Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/6a9cd9ff0fa2bcc30b2bfb8bdb161eb20e44b9dc\n2. https://git.kernel.org/stable/c/6b8d379048b168a0dff5ab1acb975b933f368514\n3. https://git.kernel.org/stable/c/443b373a4df5a2cb9f7b8c4658b2afedeb16397f\n4. https://git.kernel.org/stable/c/beff0bc9d69bc8e733f9bca28e2d3df5b3e10e42", "creation_timestamp": "2025-04-30T10:13:36.000000Z"}