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{"bugzilla": {"description": "kernel: drm/amd/amdgpu/amdgpu_cs: fix refcount leak of a dma_fence obj", "id": "2347756", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347756"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-402", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amd/amdgpu/amdgpu_cs: fix refcount leak of a dma_fence obj\nThis issue takes place in an error path in\namdgpu_cs_fence_to_handle_ioctl(). When `info->in.what` falls into\ndefault case, the function simply returns -EINVAL, forgetting to\ndecrement the reference count of a dma_fence obj, which is bumped\nearlier by amdgpu_cs_get_fence(). This may result in reference count\nleaks.\nFix it by decreasing the refcount of specific object before returning\nthe error code."], "name": "CVE-2022-49137", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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-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"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49137\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49137\nhttps://lore.kernel.org/linux-cve-announce/2025022606-CVE-2022-49137-92fc@gregkh/T"], "threat_severity": "Moderate"}

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