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{"bugzilla": {"description": "kernel: struct drm_syncobj object leak which can be triggered with DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD", "id": "1974827", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1974827"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-200", "details": ["In drm_syncobj_handle_to_fd of drm_syncobj.c, there is a possible use after free due to incorrect refcounting. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-168034487", "A flaw was found in the Linux kernel. The function drm_syncobj_handle_to_fd first calls drm_syncobj_find which increments the refcount of the object on success. In all of the drm_syncobj_handle_to_fd error paths, the refcount is decremented, but in the success path the refcount should remain at +1 as the struct drm_syncobj now belongs to the newly opened file. Instead, the refcount was incremented again to +2."], "name": "CVE-2021-0606", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-06-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-0606\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-0606"], "statement": "This is Android kernel specific backport problem, not present in Red Hat supported kernels.", "threat_severity": "Moderate"}