{"uuid": "dc34844b-75eb-49cd-bb02-01a5bb510a13", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2022-21546", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/14621", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2022-21546\n\ud83d\udd25 CVSS Score: 7.7 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)\n\ud83d\udd39 Description: In newer version of the SBC specs, we have a NDOB bit that indicates there is no data buffer that gets written out. If this bit is set using commands like \"sg_write_same --ndob\" we will crash in target_core_iblock/file's execute_write_same handlers when we go to access the se_cmd->t_data_sg because its NULL. CVSS 3.1 Base Score 7.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).\n\ud83d\udccf Published: 2025-05-02T21:52:09.864Z\n\ud83d\udccf Modified: 2025-05-02T21:52:09.864Z\n\ud83d\udd17 References:\n1. https://linux.oracle.com/cve/CVE-2022-21546.html\n2. https://git.kernel.org/linus/ccd3f449052449a917a3e577d8ba0368f43b8f29\n3. https://lore.kernel.org/all/20220628022325.14627-2-michael.christie@oracle.com/", "creation_timestamp": "2025-05-02T22:20:25.000000Z"}