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CVE-2025-38201 netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: clamp maximum map bucket size to INT_MAX Otherwise, it is possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof() when resizing hashtable because __GFP_NOWARN is unset. Similar to: b541ba7d1f5a ("netfilter: conntrack: clamp maximum hashtable size to INT_MAX")
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 6.16 | earliest → < 6.16 | 6.16 |
| Linux 6.15 | earliest → < 6.15.4 | 6.15.4 |
| Linux 6.12 | earliest → < 6.12.35 | 6.12.35 |
| Linux 6.6 | earliest → < 6.6.124 | 6.6.124 |
| Linux 6.1 | earliest → < 6.1.163 | 6.1.163 |
| Linux 5.15 | earliest → < 5.15.200 | 5.15.200 |
| Linux 5.10 | earliest → < 5.10.250 | 5.10.250 |
| Linux | 5.6 | No fix stated |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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