{"id":"CVE-2026-98606","state":"PUBLISHED","title":"drm/virtio: release the GEM object on virtio_gpu_vram_create() errors","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/virtio: release the GEM object on virtio_gpu_vram_create() errors\n\nvirtio_gpu_vram_create() frees the object with a bare kfree(vram) on\nboth error paths after drm_gem_private_object_init() has run, and on the\nsecond one after drm_gem_create_mmap_offset() has linked obj->vma_node\ninto the device's VMA offset manager. The freed object stays in that\ninterval tree, so a later lookup or insertion walks freed memory, and\nthe dma_resv and gpuva lock are never destroyed.\n\nCall drm_gem_object_release() before kfree() on both paths.","publishedAt":"2026-10-18T15:19:20.639Z","updatedAt":"2026-10-19T09:22:33.369Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"977c2934064969503cabf98b1135d202ff62822e","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"5118b5fdf1eb9922a0cdd2afd25252081e2d4302","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"a9bb8f8fd5694185c2f71ff91869afb300aab392","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"03bdbf182082694ab2add620d85f1a8b8f51bbbc","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"5c2cb3dd1447752b73d4f44d6b7434bc5259bfec","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"7c8deb77d05bcc8f79e255f669d82ec6ce91be12","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"036d28db1818af2f9d80db771f5405da84d7732d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/virtio/virtgpu_vram.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/virtio/virtgpu_vram.c"]}],"references":["https://git.kernel.org/stable/c/977c2934064969503cabf98b1135d202ff62822e","https://git.kernel.org/stable/c/5118b5fdf1eb9922a0cdd2afd25252081e2d4302","https://git.kernel.org/stable/c/a9bb8f8fd5694185c2f71ff91869afb300aab392","https://git.kernel.org/stable/c/03bdbf182082694ab2add620d85f1a8b8f51bbbc","https://git.kernel.org/stable/c/5c2cb3dd1447752b73d4f44d6b7434bc5259bfec","https://git.kernel.org/stable/c/7c8deb77d05bcc8f79e255f669d82ec6ce91be12","https://git.kernel.org/stable/c/036d28db1818af2f9d80db771f5405da84d7732d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98606.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98606","state":"PUBLISHED","datePublished":"2026-10-18T15:19:20.639Z","dateUpdated":"2026-10-19T09:22:33.369Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.359Z"},"containers":{"cna":{"title":"drm/virtio: release the GEM object on virtio_gpu_vram_create() errors","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/virtio: release the GEM object on virtio_gpu_vram_create() errors\n\nvirtio_gpu_vram_create() frees the object with a bare kfree(vram) on\nboth error paths after drm_gem_private_object_init() has run, and on the\nsecond one after drm_gem_create_mmap_offset() has linked obj->vma_node\ninto the device's VMA offset manager. The freed object stays in that\ninterval tree, so a later lookup or insertion walks freed memory, and\nthe dma_resv and gpuva lock are never destroyed.\n\nCall drm_gem_object_release() before kfree() on both paths."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"977c2934064969503cabf98b1135d202ff62822e","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"5118b5fdf1eb9922a0cdd2afd25252081e2d4302","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"a9bb8f8fd5694185c2f71ff91869afb300aab392","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"03bdbf182082694ab2add620d85f1a8b8f51bbbc","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"5c2cb3dd1447752b73d4f44d6b7434bc5259bfec","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"7c8deb77d05bcc8f79e255f669d82ec6ce91be12","versionType":"git"},{"version":"16845c5d540929d2f4dc845f11fbbb238e69170a","status":"affected","lessThan":"036d28db1818af2f9d80db771f5405da84d7732d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/virtio/virtgpu_vram.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/virtio/virtgpu_vram.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/977c2934064969503cabf98b1135d202ff62822e"},{"url":"https://git.kernel.org/stable/c/5118b5fdf1eb9922a0cdd2afd25252081e2d4302"},{"url":"https://git.kernel.org/stable/c/a9bb8f8fd5694185c2f71ff91869afb300aab392"},{"url":"https://git.kernel.org/stable/c/03bdbf182082694ab2add620d85f1a8b8f51bbbc"},{"url":"https://git.kernel.org/stable/c/5c2cb3dd1447752b73d4f44d6b7434bc5259bfec"},{"url":"https://git.kernel.org/stable/c/7c8deb77d05bcc8f79e255f669d82ec6ce91be12"},{"url":"https://git.kernel.org/stable/c/036d28db1818af2f9d80db771f5405da84d7732d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:22:33.369Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}