CVE-2025-40319 (GCVE-0-2025-40319)
Vulnerability from cvelistv5
Published
2025-12-08 00:46
Modified
2026-10-15 22:02
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: bpf: Sync pending IRQ work before freeing ring buffer Fix a race where irq_work can be queued in bpf_ringbuf_commit() but the ring buffer is freed before the work executes. In the syzbot reproducer, a BPF program attached to sched_switch triggers bpf_ringbuf_commit(), queuing an irq_work. If the ring buffer is freed before this work executes, the irq_work thread may accesses freed memory. Calling `irq_work_sync(&rb->work)` ensures that all pending irq_work complete before freeing the buffer.
References
Impacted products
Vendor Product Version
Linux Linux Version: 457f44363a8894135c85b7a9afd2bd8196db24ab
Version: 457f44363a8894135c85b7a9afd2bd8196db24ab
Version: 457f44363a8894135c85b7a9afd2bd8196db24ab
Version: 457f44363a8894135c85b7a9afd2bd8196db24ab
Version: 457f44363a8894135c85b7a9afd2bd8196db24ab
Version: 457f44363a8894135c85b7a9afd2bd8196db24ab
Version: 457f44363a8894135c85b7a9afd2bd8196db24ab
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