{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-52791",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: core: Run atomic i2c xfer when !preemptible\n\nSince bae1d3a05a8b, i2c transfers are non-atomic if preemption is\ndisabled. However, non-atomic i2c transfers require preemption (e.g. in\nwait_for_completion() while waiting for the DMA).\n\npanic() calls preempt_disable_notrace() before calling\nemergency_restart(). Therefore, if an i2c device is used for the\nrestart, the xfer should be atomic. This avoids warnings like:\n\n[   12.667612] WARNING: CPU: 1 PID: 1 at kernel/rcu/tree_plugin.h:318 rcu_note_context_switch+0x33c/0x6b0\n[   12.676926] Voluntary context switch within RCU read-side critical section!\n...\n[   12.742376]  schedule_timeout from wait_for_completion_timeout+0x90/0x114\n[   12.749179]  wait_for_completion_timeout from tegra_i2c_wait_completion+0x40/0x70\n...\n[   12.994527]  atomic_notifier_call_chain from machine_restart+0x34/0x58\n[   13.001050]  machine_restart from panic+0x2a8/0x32c\n\nUse !preemptible() instead, which is basically the same check as\npre-v5.2."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "bae1d3a05a8b",
                                            "version_value": "25eb381a736e"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.2",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "5.2",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.4.262",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.10.202",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.140",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.1.64",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.5.13",
                                                        "lessThanOrEqual": "6.5.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.6.3",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.7",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/25eb381a736e7ae39a4245ef5c96484eb1073809",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/25eb381a736e7ae39a4245ef5c96484eb1073809"
            },
            {
                "url": "https://git.kernel.org/stable/c/25284c46b657f48c0f3880a2e0706c70d81182c0",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/25284c46b657f48c0f3880a2e0706c70d81182c0"
            },
            {
                "url": "https://git.kernel.org/stable/c/f6237afabc349c1c7909db00e15d2816519e0d2b",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/f6237afabc349c1c7909db00e15d2816519e0d2b"
            },
            {
                "url": "https://git.kernel.org/stable/c/185f3617adc8fe45e40489b458f03911f0dec46c",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/185f3617adc8fe45e40489b458f03911f0dec46c"
            },
            {
                "url": "https://git.kernel.org/stable/c/8c3fa52a46ff4d208cefb1a462ec94e0043a91e1",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/8c3fa52a46ff4d208cefb1a462ec94e0043a91e1"
            },
            {
                "url": "https://git.kernel.org/stable/c/3473cf43b9068b9dfef2f545f833f33c6a544b91",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/3473cf43b9068b9dfef2f545f833f33c6a544b91"
            },
            {
                "url": "https://git.kernel.org/stable/c/aa49c90894d06e18a1ee7c095edbd2f37c232d02",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/aa49c90894d06e18a1ee7c095edbd2f37c232d02"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
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}