drm/gem: Acquire references on GEM handles for framebuffers

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/drm_gem.c",
                        "drivers/gpu/drm/drm_gem_framebuffer_helper.c",
                        "drivers/gpu/drm/drm_internal.h"
                    ],
                    "versions": [
                        {
                            "version": "319c933c71f3dbdb2b3274d1634d3494c70efa06",
                            "lessThan": "cb4c956a15f8b7f870649454771fc3761f504b5f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "319c933c71f3dbdb2b3274d1634d3494c70efa06",
                            "lessThan": "08480e285c6a82ce689008d643e4a51db0aaef8b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "319c933c71f3dbdb2b3274d1634d3494c70efa06",
                            "lessThan": "3cf520d9860d4ec9f7f32068825da31f18dd3f25",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "319c933c71f3dbdb2b3274d1634d3494c70efa06",
                            "lessThan": "5307dce878d4126e1b375587318955bd019c3741",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/drm_gem.c",
                        "drivers/gpu/drm/drm_gem_framebuffer_helper.c",
                        "drivers/gpu/drm/drm_internal.h"
                    ],
                    "versions": [
                        {
                            "version": "3.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.99",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.39",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15.7",
                            "lessThanOrEqual": "6.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.16",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }