{"id":"CVE-2025-37791","summary":"ethtool: cmis_cdb: use correct rpl size in ethtool_cmis_module_poll()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: cmis_cdb: use correct rpl size in ethtool_cmis_module_poll()\n\nrpl is passed as a pointer to ethtool_cmis_module_poll(), so the correct\nsize of rpl is sizeof(*rpl) which should be just 1 byte.  Using the\npointer size instead can cause stack corruption:\n\nKernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ethtool_cmis_wait_for_cond+0xf4/0x100\nCPU: 72 UID: 0 PID: 4440 Comm: kworker/72:2 Kdump: loaded Tainted: G           OE      6.11.0 #24\nTainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE\nHardware name: Dell Inc. PowerEdge R760/04GWWM, BIOS 1.6.6 09/20/2023\nWorkqueue: events module_flash_fw_work\nCall Trace:\n \u003cTASK\u003e\n panic+0x339/0x360\n ? ethtool_cmis_wait_for_cond+0xf4/0x100\n ? __pfx_status_success+0x10/0x10\n ? __pfx_status_fail+0x10/0x10\n __stack_chk_fail+0x10/0x10\n ethtool_cmis_wait_for_cond+0xf4/0x100\n ethtool_cmis_cdb_execute_cmd+0x1fc/0x330\n ? __pfx_status_fail+0x10/0x10\n cmis_cdb_module_features_get+0x6d/0xd0\n ethtool_cmis_cdb_init+0x8a/0xd0\n ethtool_cmis_fw_update+0x46/0x1d0\n module_flash_fw_work+0x17/0xa0\n process_one_work+0x179/0x390\n worker_thread+0x239/0x340\n ? __pfx_worker_thread+0x10/0x10\n kthread+0xcc/0x100\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x2d/0x50\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30\n \u003c/TASK\u003e","modified":"2026-04-02T12:47:29.028274Z","published":"2025-05-01T13:07:24.062Z","related":["SUSE-SU-2025:02254-1","SUSE-SU-2025:02307-1","SUSE-SU-2025:02333-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37791.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/61765e1b417a23371c3735e3cddf4ad9354ed2e9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7eb0a0072f966bb0b01d8b7d529d9743a7187bd1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f3fdd4fba16c74697d8bc730b82fb7c1eff7fab3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37791.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-37791"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"a39c84d796254e6b1662ca0c46dbc313379e9291"},{"fixed":"61765e1b417a23371c3735e3cddf4ad9354ed2e9"},{"fixed":"7eb0a0072f966bb0b01d8b7d529d9743a7187bd1"},{"fixed":"f3fdd4fba16c74697d8bc730b82fb7c1eff7fab3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-37791.json"}}],"schema_version":"1.7.5"}