{"id":"CVE-2025-38280","summary":"bpf: Avoid __bpf_prog_ret0_warn when jit fails","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Avoid __bpf_prog_ret0_warn when jit fails\n\nsyzkaller reported an issue:\n\nWARNING: CPU: 3 PID: 217 at kernel/bpf/core.c:2357 __bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357\nModules linked in:\nCPU: 3 UID: 0 PID: 217 Comm: kworker/u32:6 Not tainted 6.15.0-rc4-syzkaller-00040-g8bac8898fe39\nRIP: 0010:__bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357\nCall Trace:\n \u003cTASK\u003e\n bpf_dispatcher_nop_func include/linux/bpf.h:1316 [inline]\n __bpf_prog_run include/linux/filter.h:718 [inline]\n bpf_prog_run include/linux/filter.h:725 [inline]\n cls_bpf_classify+0x74a/0x1110 net/sched/cls_bpf.c:105\n ...\n\nWhen creating bpf program, 'fp-\u003ejit_requested' depends on bpf_jit_enable.\nThis issue is triggered because of CONFIG_BPF_JIT_ALWAYS_ON is not set\nand bpf_jit_enable is set to 1, causing the arch to attempt JIT the prog,\nbut jit failed due to FAULT_INJECTION. As a result, incorrectly\ntreats the program as valid, when the program runs it calls\n`__bpf_prog_ret0_warn` and triggers the WARN_ON_ONCE(1).","modified":"2026-04-02T12:47:54.153454Z","published":"2025-07-10T07:41:58.853Z","related":["MGASA-2025-0218","MGASA-2025-0219"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38280.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0b9bb52796b239de6792d0d68cdc6eb505ebff96"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2bc6dffb4b72d53d6a6ada510269bf548c3f7ae0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6f639c25bfad17d9fd7379ab91ff9678ea9aac85"},{"type":"WEB","url":"https://git.kernel.org/stable/c/86bc9c742426a16b52a10ef61f5b721aecca2344"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e7fb4ebee6e900899d2b2e5852c3e2eafcbcad66"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ef92b96530d1731d9ac167bc7c193c683cd78fff"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38280.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38280"},{"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":"fa9dd599b4dae841924b022768354cfde9affecb"},{"fixed":"e7fb4ebee6e900899d2b2e5852c3e2eafcbcad66"},{"fixed":"ef92b96530d1731d9ac167bc7c193c683cd78fff"},{"fixed":"6f639c25bfad17d9fd7379ab91ff9678ea9aac85"},{"fixed":"2bc6dffb4b72d53d6a6ada510269bf548c3f7ae0"},{"fixed":"0b9bb52796b239de6792d0d68cdc6eb505ebff96"},{"fixed":"86bc9c742426a16b52a10ef61f5b721aecca2344"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"5124abda3060e2eab506fb14a27acadee3c3e396"},{"last_affected":"234646dcfc5f531c74ab20595e89eacd62e3611f"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38280.json"}}],"schema_version":"1.7.5"}