{"id":"CVE-2025-38270","revision":"e98905093cb0430e8d88445980e3389c","records":[{"revision":"e98905093cb0430e8d88445980e3389c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-38270","aliases":[],"title":"net: drv: netdevsim: don't napi_complete() from netpoll","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: drv: netdevsim: don't napi_complete() from netpoll\n\nnetdevsim supports netpoll. Make sure we don't call napi_complete()\nfrom it, since it may not be scheduled. Breno reports hitting a\nwarning in napi_complete_done():\n\nWARNING: CPU: 14 PID: 104 at net/core/dev.c:6592 napi_complete_done+0x2cc/0x560\n  __napi_poll+0x2d8/0x3a0\n  handle_softirqs+0x1fe/0x710\n\nThis is presumably after netpoll stole the SCHED bit prematurely.","state":0,"publishedAt":"2025-07-10T07:41:52.475+00:00","modifiedAt":"2026-10-15T21:52:13.251+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/netdevsim/netdev.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3762ec05a9fbda16aaaa2568df679ab8ad13f38d\",\n                            \"lessThan\": \"a8ff2e362d901200a1075c3ca9c56d9c7bbef389\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3762ec05a9fbda16aaaa2568df679ab8ad13f38d\",\n                            \"lessThan\": \"6837dd877270c57689bd866de9f3de14172c2439\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3762ec05a9fbda16aaaa2568df679ab8ad13f38d\",\n                            \"lessThan\": \"1264971017b4d7141352a7fe29021bdfce5d885d\",\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/netdevsim/netdev.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.10\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.10\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.34\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.15.3\",\n                            \"lessThanOrEqual\": \"6.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.16\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/a8ff2e362d901200a1075c3ca9c56d9c7bbef389","https://git.kernel.org/stable/c/6837dd877270c57689bd866de9f3de14172c2439","https://git.kernel.org/stable/c/1264971017b4d7141352a7fe29021bdfce5d885d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38270","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-38270","identifiers":["CVE-2025-38270"]},"retained":false,"historicalAffected":[]}],"coverage":[]}