7.0
High
CVE-2024-35898 In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in…
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable(). And thhere is not any protection when iterate over nf_tables_flowtables list in __nft_flowtable_type_get(). Therefore, there is pertential data-race of nf_tables_flowtables list entry. Use list_for_each_entry_rcu() to iterate over nf_tables_flowtables list in __nft_flowtable_type_get(), and use rcu_read_lock() in the caller nft_flowtable_type_get() to protect the entire type query process.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 6.9 | earliest → < 6.9 | 6.9 |
| Linux 6.8 | earliest → < 6.8.5 | 6.8.5 |
| Linux 6.6 | earliest → < 6.6.26 | 6.6.26 |
| Linux 6.1 | earliest → < 6.1.85 | 6.1.85 |
| Linux 5.15 | earliest → < 5.15.154 | 5.15.154 |
| Linux 5.10 | earliest → < 5.10.215 | 5.10.215 |
| Linux 5.4 | earliest → < 5.4.274 | 5.4.274 |
| Linux 4.19 | earliest → < 4.19.312 | 4.19.312 |
| Linux | 4.16 | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem 1.1 | earliest → < 1.1.1 | 1.1.1 |
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