Tracker / CVE-2024-27020
CVE-2024-27020
High 7.8
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() nft_unregister_expr() can concurrent with __nft_expr_type_get(), and there is not any protection when iterate over nf_tables_expressions list in __nft_expr_type_get(). Therefore, there is potential data-race of nf_tables_expressions list entry. Use list_for_each_entry_rcu() to iterate over nf_tables_expressions list in __nft_expr_type_get(), and use rcu_read_lock() in the caller nft_expr_type_get() to protect the entire type query process.
Affected products and versions
| linux | linux_kernel |
|---|---|
| linux | linux_kernel · 3.13 → 4.19.313 |
| linux | linux_kernel · 4.20 → 5.4.275 |
| linux | linux_kernel · 5.11 → 5.15.157 |
| linux | linux_kernel · 5.16 → 6.1.88 |
| linux | linux_kernel · 5.5 → 5.10.216 |
| linux | linux_kernel · 6.2 → 6.6.29 |
| linux | linux_kernel · 6.7 → 6.8.8 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.