{"id":"CVE-2025-37917","revision":null,"records":[{"revision":"25b38ee3c7734ea7a441f0bc5e342693","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-37917","aliases":[],"title":"net: ethernet: mtk-star-emac: fix spinlock recursion issues on rx/tx poll","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: mtk-star-emac: fix spinlock recursion issues on rx/tx poll\n\nUse spin_lock_irqsave and spin_unlock_irqrestore instead of spin_lock\nand spin_unlock in mtk_star_emac driver to avoid spinlock recursion\noccurrence that can happen when enabling the DMA interrupts again in\nrx/tx poll.\n\n```\nBUG: spinlock recursion on CPU#0, swapper/0/0\n lock: 0xffff00000db9cf20, .magic: dead4ead, .owner: swapper/0/0,\n .owner_cpu: 0\nCPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted\n 6.15.0-rc2-next-20250417-00001-gf6a27738686c-dirty #28 PREEMPT\nHardware name: MediaTek MT8365 Open Platform EVK (DT)\nCall trace:\n show_stack+0x18/0x24 (C)\n dump_stack_lvl+0x60/0x80\n dump_stack+0x18/0x24\n spin_dump+0x78/0x88\n do_raw_spin_lock+0x11c/0x120\n _raw_spin_lock+0x20/0x2c\n mtk_star_handle_irq+0xc0/0x22c [mtk_star_emac]\n __handle_irq_event_percpu+0x48/0x140\n handle_irq_event+0x4c/0xb0\n handle_fasteoi_irq+0xa0/0x1bc\n handle_irq_desc+0x34/0x58\n generic_handle_domain_irq+0x1c/0x28\n gic_handle_irq+0x4c/0x120\n do_interrupt_handler+0x50/0x84\n el1_interrupt+0x34/0x68\n el1h_64_irq_handler+0x18/0x24\n el1h_64_irq+0x6c/0x70\n regmap_mmio_read32le+0xc/0x20 (P)\n _regmap_bus_reg_read+0x6c/0xac\n _regmap_read+0x60/0xdc\n regmap_read+0x4c/0x80\n mtk_star_rx_poll+0x2f4/0x39c [mtk_star_emac]\n __napi_poll+0x38/0x188\n net_rx_action+0x164/0x2c0\n handle_softirqs+0x100/0x244\n __do_softirq+0x14/0x20\n ____do_softirq+0x10/0x20\n call_on_irq_stack+0x24/0x64\n do_softirq_own_stack+0x1c/0x40\n __irq_exit_rcu+0xd4/0x10c\n irq_exit_rcu+0x10/0x1c\n el1_interrupt+0x38/0x68\n el1h_64_irq_handler+0x18/0x24\n el1h_64_irq+0x6c/0x70\n cpuidle_enter_state+0xac/0x320 (P)\n cpuidle_enter+0x38/0x50\n do_idle+0x1e4/0x260\n cpu_startup_entry+0x34/0x3c\n rest_init+0xdc/0xe0\n console_on_rootfs+0x0/0x6c\n __primary_switched+0x88/0x90\n```","state":0,"publishedAt":"2025-05-20T15:21:47.703+00:00","modifiedAt":"2026-10-15T01:06:12.847+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/ethernet/mediatek/mtk_star_emac.c\"\n ],\n \"versions\": [\n {\n \"version\": \"97da99868573b8861de83f7126a5981d896c1d6c\",\n \"lessThan\": \"bedd287fdd3142dffad7ae2ac6ef15f4a2ad0629\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0a8bd81fd6aaace14979152e0540da8ff158a00a\",\n \"lessThan\": \"94107259f972d2fd896dbbcaa176b3b2451ff9e5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0a8bd81fd6aaace14979152e0540da8ff158a00a\",\n \"lessThan\": \"7cb10f17bddc415f30fbc00a4e2b490e0d94c462\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0a8bd81fd6aaace14979152e0540da8ff158a00a\",\n \"lessThan\": \"8d40bf73fa7f31eac2b0a7c9d85de67df82ee7f3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0a8bd81fd6aaace14979152e0540da8ff158a00a\",\n \"lessThan\": \"d886f8d85494d12b2752fd7c6c32162d982d5dd5\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0a8bd81fd6aaace14979152e0540da8ff158a00a\",\n \"lessThan\": \"6fe0866014486736cc3ba1c6fd4606d3dbe55c9c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/ethernet/mediatek/mtk_star_emac.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6.0\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.0\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.138\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.90\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.28\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.14.6\",\n \"lessThanOrEqual\": \"6.14.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.15\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/bedd287fdd3142dffad7ae2ac6ef15f4a2ad0629","https://git.kernel.org/stable/c/94107259f972d2fd896dbbcaa176b3b2451ff9e5","https://git.kernel.org/stable/c/7cb10f17bddc415f30fbc00a4e2b490e0d94c462","https://git.kernel.org/stable/c/8d40bf73fa7f31eac2b0a7c9d85de67df82ee7f3","https://git.kernel.org/stable/c/d886f8d85494d12b2752fd7c6c32162d982d5dd5","https://git.kernel.org/stable/c/6fe0866014486736cc3ba1c6fd4606d3dbe55c9c"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-37917","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-37917","identifiers":["CVE-2025-37917"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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