{"uuid": "7ce94a97-6096-49e7-b0f5-26e48c3c19f7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2025-21724", "type": "seen", "source": "https://t.me/cvedetector/18975", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2025-21724 - Linux kernel: iommufd/iova_bitmap UBSAN Shift Out-of-Bounds\", \n  \"Content\": \"CVE ID : CVE-2025-21724 \nPublished : Feb. 27, 2025, 2:15 a.m. | 50\u00a0minutes ago \nDescription : In the Linux kernel, the following vulnerability has been resolved:  \n  \niommufd/iova_bitmap: Fix shift-out-of-bounds in iova_bitmap_offset_to_index()  \n  \nResolve a UBSAN shift-out-of-bounds issue in iova_bitmap_offset_to_index()  \nwhere shifting the constant \"1\" (of type int) by bitmap->mapped.pgshift  \n(an unsigned long value) could result in undefined behavior.  \n  \nThe constant \"1\" defaults to a 32-bit \"int\", and when \"pgshift\" exceeds  \n31 (e.g., pgshift = 63) the shift operation overflows, as the result  \ncannot be represented in a 32-bit type.  \n  \nTo resolve this, the constant is updated to \"1UL\", promoting it to an  \nunsigned long type to match the operand's type. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"27 Feb 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2025-02-27T04:30:08.000000Z"}