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CVE-2026-98606

drm/virtio: release the GEM object on virtio_gpu_vram_create() errors

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.15.222, 6.1.189, 6.6.158, 6.12.112, 6.18.55, and 1 more
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 16845c5d540929d2f4dc845f11fbbb238e69170a · fixed in 977c2934064969503cabf98b1135d202ff62822e; From 16845c5d540929d2f4dc845f11fbbb238e69170a · fixed in 5118b5fdf1eb9922a0cdd2afd25252081e2d4302; From 16845c5d540929d2f4dc845f11fbbb238e69170a · fixed in a9bb8f8fd5694185c2f71ff91869afb300aab392; From 16845c5d540929d2f4dc845f11fbbb238e69170a · fixed in 03bdbf182082694ab2add620d85f1a8b8f51bbbc; From 16845c5d540929d2f4dc845f11fbbb238e69170a · fixed in 5c2cb3dd1447752b73d4f44d6b7434bc5259bfec; From 16845c5d540929d2f4dc845f11fbbb238e69170a · fixed in 7c8deb77d05bcc8f79e255f669d82ec6ce91be12; From 16845c5d540929d2f4dc845f11fbbb238e69170a · fixed in 036d28db1818af2f9d80db771f5405da84d7732d

  • Linux Linux

    5.11

  • KernelLinux

    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

References 7

git.kernel.org