{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2022-48751",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-06-20T11:09:39.057Z",
        "datePublished": "2024-06-20T11:13:32.575Z",
        "dateUpdated": "2024-09-11T17:34:47.967Z"
    },
    "containers": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-06-20T11:14:43.792Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: Transitional solution for clcsock race issue\n\nWe encountered a crash in smc_setsockopt() and it is caused by\naccessing smc->clcsock after clcsock was released.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000020\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 0 P4D 0\n Oops: 0000 [#1] PREEMPT SMP PTI\n CPU: 1 PID: 50309 Comm: nginx Kdump: loaded Tainted: G E     5.16.0-rc4+ #53\n RIP: 0010:smc_setsockopt+0x59/0x280 [smc]\n Call Trace:\n  <TASK>\n  __sys_setsockopt+0xfc/0x190\n  __x64_sys_setsockopt+0x20/0x30\n  do_syscall_64+0x34/0x90\n  entry_SYSCALL_64_after_hwframe+0x44/0xae\n RIP: 0033:0x7f16ba83918e\n  </TASK>\n\nThis patch tries to fix it by holding clcsock_release_lock and\nchecking whether clcsock has already been released before access.\n\nIn case that a crash of the same reason happens in smc_getsockopt()\nor smc_switch_to_fallback(), this patch also checkes smc->clcsock\nin them too. And the caller of smc_switch_to_fallback() will identify\nwhether fallback succeeds according to the return value."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/smc/af_smc.c"
                    ],
                    "versions": [
                        {
                            "version": "fd57770dd198",
                            "lessThan": "38f0bdd548fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fd57770dd198",
                            "lessThan": "4284225cd800",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "version": "fd57770dd198",
                            "lessThan": "c0bf3d8a943b",
                            "status": "affected",
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                        }
                    ]
                },
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/smc/af_smc.c"
                    ],
                    "versions": [
                        {
                            "version": "5.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.1",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.19",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.16.5",
                            "lessThanOrEqual": "5.16.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.17",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/38f0bdd548fd2ef5d481b88d8a2bfef968452e34"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4284225cd8001e134f5cf533a7cd244bbb654d0f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c0bf3d8a943b6f2e912b7c1de03e2ef28e76f760"
                }
            ],
            "title": "net/smc: Transitional solution for clcsock race issue",
            "x_generator": {
                "engine": "bippy-7d53e8ef8be4"
            }
        },
        "adp": [
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T15:25:00.333Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/38f0bdd548fd2ef5d481b88d8a2bfef968452e34",
                        "tags": [
                            "x_transferred"
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                    },
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            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2022-48751",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T17:10:28.867754Z"
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                "title": "CISA ADP Vulnrichment",
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