CVE-2022-49920
netfilter: nf_tables: netlink notifier might race to release objects
CVSS Score
4.7
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: netlink notifier might race to release objects commit release path is invoked via call_rcu and it runs lockless to release the objects after rcu grace period. The netlink notifier handler might win race to remove objects that the transaction context is still referencing from the commit release path. Call rcu_barrier() to ensure pending rcu callbacks run to completion if the list of transactions to be destroyed is not empty.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 1, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
6001a930ce0378b62210d4f83583fc88a903d89d < 1ffe7100411a8b9015115ce124cd6c9c9da6f8e3 6001a930ce0378b62210d4f83583fc88a903d89d < e40b7c44d19e327ad8b49a491ef1fa8dcc4566e0 6001a930ce0378b62210d4f83583fc88a903d89d < d4bc8271db21ea9f1c86a1ca4d64999f184d4aae
Linux / Linux
5.12