{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-46791",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-09-11T15:12:18.279Z",
        "datePublished": "2024-09-18T07:12:46.677Z",
        "dateUpdated": "2024-09-29T14:24:01.153Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-09-18T07:12:46.677Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: mcp251x: fix deadlock if an interrupt occurs during mcp251x_open\n\nThe mcp251x_hw_wake() function is called with the mpc_lock mutex held and\ndisables the interrupt handler so that no interrupts can be processed while\nwaking the device. If an interrupt has already occurred then waiting for\nthe interrupt handler to complete will deadlock because it will be trying\nto acquire the same mutex.\n\nCPU0                           CPU1\n----                           ----\nmcp251x_open()\n mutex_lock(&priv->mcp_lock)\n  request_threaded_irq()\n                               <interrupt>\n                               mcp251x_can_ist()\n                                mutex_lock(&priv->mcp_lock)\n  mcp251x_hw_wake()\n   disable_irq() <-- deadlock\n\nUse disable_irq_nosync() instead because the interrupt handler does\neverything while holding the mutex so it doesn't matter if it's still\nrunning."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/can/spi/mcp251x.c"
                    ],
                    "versions": [
                        {
                            "version": "8ce8c0abcba3",
                            "lessThan": "3a49b6b1caf5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ce8c0abcba3",
                            "lessThan": "513c8fc189b5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ce8c0abcba3",
                            "lessThan": "f7ab9e14b23a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ce8c0abcba3",
                            "lessThan": "8fecde9c3f9a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ce8c0abcba3",
                            "lessThan": "e554113a1cd2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ce8c0abcba3",
                            "lessThan": "7dd9c26bd6cf",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/can/spi/mcp251x.c"
                    ],
                    "versions": [
                        {
                            "version": "5.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.5",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.226",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.167",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.110",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.51",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10.10",
                            "lessThanOrEqual": "6.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.11",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3a49b6b1caf5cefc05264d29079d52c99cb188e0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/513c8fc189b52f7922e36bdca58997482b198f0e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f7ab9e14b23a3eac6714bdc4dba244d8aa1ef646"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8fecde9c3f9a4b97b68bb97c9f47e5b662586ba7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e554113a1cd2a9cfc6c7af7bdea2141c5757e188"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7dd9c26bd6cf679bcfdef01a8659791aa6487a29"
                }
            ],
            "title": "can: mcp251x: fix deadlock if an interrupt occurs during mcp251x_open",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-09-29T14:23:49.123031Z",
                                "id": "CVE-2024-46791",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-29T14:24:01.153Z"
                }
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        ]
    }
}