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CVE-2026-31496 netfilter: nf_conntrack_expect: skip expectations in other netns via proc
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_expect: skip expectations in other netns via proc Skip expectations that do not reside in this netns. Similar to e77e6ff502ea ("netfilter: conntrack: do not dump other netns's conntrack entries via proc").
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 7.0 | earliest → < 7.0 | 7.0 |
| Linux 6.19 | earliest → < 6.19.11 | 6.19.11 |
| Linux 6.18 | earliest → < 6.18.21 | 6.18.21 |
| Linux 6.12 | earliest → < 6.12.80 | 6.12.80 |
| Linux 6.6 | earliest → < 6.6.131 | 6.6.131 |
| Linux 6.1 | earliest → < 6.1.168 | 6.1.168 |
| Linux | 2.6.28 | No fix stated |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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