{"id":"CVE-2025-38270","summary":"net: drv: netdevsim: don't napi_complete() from netpoll","details":"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.","modified":"2026-03-20T12:42:46.343260Z","published":"2025-07-10T07:41:52.475Z","related":["SUSE-SU-2025:21074-1","SUSE-SU-2025:21139-1","SUSE-SU-2025:21179-1","openSUSE-SU-2025:20081-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38270.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1264971017b4d7141352a7fe29021bdfce5d885d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6837dd877270c57689bd866de9f3de14172c2439"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a8ff2e362d901200a1075c3ca9c56d9c7bbef389"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38270.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38270"},{"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":"3762ec05a9fbda16aaaa2568df679ab8ad13f38d"},{"fixed":"a8ff2e362d901200a1075c3ca9c56d9c7bbef389"},{"fixed":"6837dd877270c57689bd866de9f3de14172c2439"},{"fixed":"1264971017b4d7141352a7fe29021bdfce5d885d"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-38270.json"}}],"schema_version":"1.7.5"}