# CVE-2024-42153: i2c: pnx: Fix potential deadlock warning from del\_timer\_sync() call in isr

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-30 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.20

## Description

In the Linux kernel, the following vulnerability has been resolved: i2c: pnx: Fix potential deadlock warning from del_timer_sync() call in isr When del_timer_sync() is called in an interrupt context it throws a warning because of potential deadlock. The timer is used only to exit from wait_for_completion() after a timeout so replacing the call with wait_for_completion_timeout() allows to remove the problematic timer and its related functions altogether.

## 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.
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## 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/a349e5ab4dc9954746e836cd10b407ce48f9b2f6
- https://git.kernel.org/stable/c/effe0500afda017a86c94482b1e36bc37586c9af
- https://git.kernel.org/stable/c/2849a1b747cf37aa5b684527104d3a53f1e296d2
- https://git.kernel.org/stable/c/3503372d0bf7b324ec0bd6b90606703991426176
- https://git.kernel.org/stable/c/3d32327f5cfc087ee3922a3bcdcc29880dcdb50f
- https://git.kernel.org/stable/c/92e494a7568b60ae80d57fc0deafcaf3a4029ab3
- https://git.kernel.org/stable/c/27cd3873fa76ebeb9f948baae40cb9a6d8692289
- https://git.kernel.org/stable/c/f63b94be6942ba82c55343e196bd09b53227618e

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Page: https://cve.now/CVE-2024-42153
JSON: https://cve.now/api/v1/entries/CVE-2024-42153
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