{"id":"CVE-2025-38012","summary":"sched_ext: bpf_iter_scx_dsq_new() should always initialize iterator","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsched_ext: bpf_iter_scx_dsq_new() should always initialize iterator\n\nBPF programs may call next() and destroy() on BPF iterators even after new()\nreturns an error value (e.g. bpf_for_each() macro ignores error returns from\nnew()). bpf_iter_scx_dsq_new() could leave the iterator in an uninitialized\nstate after an error return causing bpf_iter_scx_dsq_next() to dereference\ngarbage data. Make bpf_iter_scx_dsq_new() always clear $kit-\u003edsq so that\nnext() and destroy() become noops.","modified":"2026-05-18T05:59:29.604313414Z","published":"2025-06-18T09:28:22.057Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38012.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0102989af4c334d1d98b2a0fd4d61a5152e39b72"},{"type":"WEB","url":"https://git.kernel.org/stable/c/255dd31bfc4a67a19b1fc2cd130a50284dadfe3a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/428dc9fc0873989d73918d4a9cc22745b7bbc799"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38012.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38012"},{"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":"650ba21b131ed1f8ee57826b2c6295a3be221132"},{"fixed":"0102989af4c334d1d98b2a0fd4d61a5152e39b72"},{"fixed":"255dd31bfc4a67a19b1fc2cd130a50284dadfe3a"},{"fixed":"428dc9fc0873989d73918d4a9cc22745b7bbc799"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-38012.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.12.0"},{"fixed":"6.12.30"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.14.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-38012.json"}}],"schema_version":"1.7.5"}