# CVE-2026-72361: drm/xe/hw\_engine: Fix double-free of managed BO in error path

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-08-15 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 6.8

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/xe/hw_engine: Fix double-free of managed BO in error path The error path in hw_engine_init() explicitly frees a BO allocated with xe_managed_bo_create_pin_map() via xe_bo_unpin_map_no_vm(). Since the managed BO already has a devm cleanup action registered, this causes a double-free when devm unwinds during probe failure. Remove the explicit free and let devm handle it, consistent with all other xe_managed_bo_create_pin_map() callers. (cherry picked from commit e459a3bdeb117be496d7f229e2ea1f6c9fe4080b)

## 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.
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## 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/1f6b44d555ecce61e249220f2ca4d75cdb90caf6
- https://git.kernel.org/stable/c/a0a56b4480a0dc921a42cd70e9fc081a12ab8359
- https://git.kernel.org/stable/c/23ee91355e31947595b86ebb9ef4664f20fd926d
- https://git.kernel.org/stable/c/7ac3cae7a251d28e9079de07a991bd4eb2bb7fd8

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