Unrated severityNVD Advisory· Published Oct 18, 2026
CVE-2026-98606
CVE-2026-98606
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/virtio: release the GEM object on virtio_gpu_vram_create() errors
virtio_gpu_vram_create() frees the object with a bare kfree(vram) on both error paths after drm_gem_private_object_init() has run, and on the second one after drm_gem_create_mmap_offset() has linked obj->vma_node into the device's VMA offset manager. The freed object stays in that interval tree, so a later lookup or insertion walks freed memory, and the dma_resv and gpuva lock are never destroyed.
Call drm_gem_object_release() before kfree() on both paths.
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Affected products
1Patches
Vulnerability mechanics
References
7- git.kernel.org/stable/c/036d28db1818af2f9d80db771f5405da84d7732dnvd
- git.kernel.org/stable/c/03bdbf182082694ab2add620d85f1a8b8f51bbbcnvd
- git.kernel.org/stable/c/5118b5fdf1eb9922a0cdd2afd25252081e2d4302nvd
- git.kernel.org/stable/c/5c2cb3dd1447752b73d4f44d6b7434bc5259bfecnvd
- git.kernel.org/stable/c/7c8deb77d05bcc8f79e255f669d82ec6ce91be12nvd
- git.kernel.org/stable/c/977c2934064969503cabf98b1135d202ff62822envd
- git.kernel.org/stable/c/a9bb8f8fd5694185c2f71ff91869afb300aab392nvd
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