{"id":"CVE-2025-40319","revision":null,"records":[{"revision":"e5a4e643439448ad9b01f712f3e6b81b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-40319","aliases":[],"title":"bpf: Sync pending IRQ work before freeing ring buffer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Sync pending IRQ work before freeing ring buffer\n\nFix a race where irq_work can be queued in bpf_ringbuf_commit()\nbut the ring buffer is freed before the work executes.\nIn the syzbot reproducer, a BPF program attached to sched_switch\ntriggers bpf_ringbuf_commit(), queuing an irq_work. If the ring buffer\nis freed before this work executes, the irq_work thread may accesses\nfreed memory.\nCalling `irq_work_sync(&rb->work)` ensures that all pending irq_work\ncomplete before freeing the buffer.","state":0,"publishedAt":"2025-12-08T00:46:46.448+00:00","modifiedAt":"2026-10-15T22:02:43.846+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 \"kernel/bpf/ringbuf.c\"\n ],\n \"versions\": [\n {\n \"version\": \"457f44363a8894135c85b7a9afd2bd8196db24ab\",\n \"lessThan\": \"47626748a2a00068dbbd5836d19076637b4e235b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"457f44363a8894135c85b7a9afd2bd8196db24ab\",\n \"lessThan\": \"de2ce6b14bc3e565708a39bdba3ef9162aeffc72\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"457f44363a8894135c85b7a9afd2bd8196db24ab\",\n \"lessThan\": \"e1828c7a8d8135e21ff6adaaa9458c32aae13b11\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"457f44363a8894135c85b7a9afd2bd8196db24ab\",\n \"lessThan\": \"6451141103547f4efd774e912418a3b4318046c6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"457f44363a8894135c85b7a9afd2bd8196db24ab\",\n \"lessThan\": \"10ca3b2eec384628bc9f5d8190aed9427ad2dde6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"457f44363a8894135c85b7a9afd2bd8196db24ab\",\n \"lessThan\": \"430e15544f11f8de26b2b5109c7152f71b78295e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"457f44363a8894135c85b7a9afd2bd8196db24ab\",\n \"lessThan\": \"4e9077638301816a7d73fa1e1b4c1db4a7e3b59c\",\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 \"kernel/bpf/ringbuf.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.8\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.8\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.247\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.197\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.159\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.117\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.58\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.17.8\",\n \"lessThanOrEqual\": \"6.17.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18\",\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/47626748a2a00068dbbd5836d19076637b4e235b","https://git.kernel.org/stable/c/de2ce6b14bc3e565708a39bdba3ef9162aeffc72","https://git.kernel.org/stable/c/e1828c7a8d8135e21ff6adaaa9458c32aae13b11","https://git.kernel.org/stable/c/6451141103547f4efd774e912418a3b4318046c6","https://git.kernel.org/stable/c/10ca3b2eec384628bc9f5d8190aed9427ad2dde6","https://git.kernel.org/stable/c/430e15544f11f8de26b2b5109c7152f71b78295e","https://git.kernel.org/stable/c/4e9077638301816a7d73fa1e1b4c1db4a7e3b59c"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-40319","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-40319","identifiers":["CVE-2025-40319"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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