{"id":"CVE-2025-37791","title":"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(*r…","summary":"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(*r…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.11, < 6.12.25","linux_kernel >= 6.13, < 6.14.4","linux_kernel = 6.15"],"patched":["linux_kernel 6.14.4"],"published":"2025-05-01","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:18:17.897","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-37791","references":[{"url":"https://git.kernel.org/stable/c/61765e1b417a23371c3735e3cddf4ad9354ed2e9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7eb0a0072f966bb0b01d8b7d529d9743a7187bd1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f3fdd4fba16c74697d8bc730b82fb7c1eff7fab3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00197,"epssPercentile":0.0939,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T21:45:11.558398Z"},"ingestedAt":"2026-10-15T22:48:25.480Z","slug":"CVE-2025-37791","body":"## Overview\n\nIn 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 <TASK>\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 </TASK>\n\n## Affected\n\n- `linux_kernel >= 6.11, < 6.12.25`\n- `linux_kernel >= 6.13, < 6.14.4`\n- `linux_kernel = 6.15`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.14.4`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}