CVE-2026-31496
Medium
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").
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedApr 22, 2026
First seenApr 22, 2026
How to fix
Update
- linux linux_kernel6.1.168, 6.6.131, 6.12.80, 6.18.21, 6.19.11 or later
Patches
- git.kernel.org/stable/c/168145c87444619e3e649322bbe7719ecd00d411
- git.kernel.org/stable/c/2028405ea6987b4448784e439413202cfe19f43f
- git.kernel.org/stable/c/3265ad619987cb551edaf797ed056d80ac450225
- git.kernel.org/stable/c/3db5647984de03d9cae0dcddb509b058351f0ee4
- git.kernel.org/stable/c/9ca8c7452493d915f9bbf2f39331e6c583d07a23
- git.kernel.org/stable/c/dcfcd95b3ae7683e8ae55c92284b3430ce614bc7
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.28.1 ≤ v < 6.1.168, 6.2 ≤ v < 6.6.131, 6.7 ≤ v < 6.12.80, 6.13 ≤ v < 6.18.21, 6.19 ≤ v < 6.19.11, 2.6.28, 7.0 | 6.1.168, 6.6.131, 6.12.80, 6.18.21, 6.19.11 |
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