CVE-2026-98792
Summary
by MITRE • 10/18/2026
In the Linux kernel, the following vulnerability has been resolved:
netfilter: flowtable: generalize pending status bit
Rename NF_FLOW_HW_PENDING to NF_FLOW_PENDING and use it to inhibit the flowtable GC worker until pending hw offload work has been completed.
Apparently, nf_flow_offload_stats() can schedule work to retrieve stats while the flow is being removed by GC.
And this bit can also be used in a follow up patch to disable GC until the flow has been fully added in both directions.
Revert the reordering done in commit d644b23afe1e ("netfilter: flowtable: publish HW_DEAD after worker is done") to prevent a race between GC and hw offload handler.
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