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        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: avoid double fput() on failed usercopy\n\nIf the copy back to userland fails for the FASTRPC_IOCTL_ALLOC_DMA_BUFF\nioctl(), we shouldn't assume that 'buf->dmabuf' is still valid. In fact,\ndma_buf_fd() called fd_install() before, i.e. \"consumed\" one reference,\nleaving us with none.\n\nCalling dma_buf_put() will therefore put a reference we no longer own,\nleading to a valid file descritor table entry for an already released\n'file' object which is a straight use-after-free.\n\nSimply avoid calling dma_buf_put() and rely on the process exit code to\ndo the necessary cleanup, if needed, i.e. if the file descriptor is\nstill valid."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
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                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "6cffd79504ce",
                                            "version_value": "4e6fd2b5fcf8"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.1",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "5.1",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
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                                                    {
                                                        "version": "5.4.180",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
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                                                    {
                                                        "version": "5.10.101",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.24",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.16.10",
                                                        "lessThanOrEqual": "5.16.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.17",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
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    "references": {
        "reference_data": [
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                "url": "https://git.kernel.org/stable/c/4e6fd2b5fcf8e7119305a6042bd92e7f2b9ed215",
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                "name": "https://git.kernel.org/stable/c/a5ce7ee5fcc07583159f54ab4af5164de00148f5"
            },
            {
                "url": "https://git.kernel.org/stable/c/e4382d0a39f9a1e260d62fdc079ddae5293c037d",
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                "name": "https://git.kernel.org/stable/c/e4382d0a39f9a1e260d62fdc079ddae5293c037d"
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                "url": "https://git.kernel.org/stable/c/76f85c307ef9f10aa2cef1b1d5ee654c1f3345fc",
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                "name": "https://git.kernel.org/stable/c/76f85c307ef9f10aa2cef1b1d5ee654c1f3345fc"
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                "refsource": "MISC",
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