{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-44968",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-08-21T05:34:56.667Z",
        "datePublished": "2024-09-04T18:56:45.456Z",
        "dateUpdated": "2024-09-15T17:56:08.879Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-09-15T17:56:08.879Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntick/broadcast: Move per CPU pointer access into the atomic section\n\nThe recent fix for making the take over of the broadcast timer more\nreliable retrieves a per CPU pointer in preemptible context.\n\nThis went unnoticed as compilers hoist the access into the non-preemptible\nregion where the pointer is actually used. But of course it's valid that\nthe compiler keeps it at the place where the code puts it which rightfully\ntriggers:\n\n  BUG: using smp_processor_id() in preemptible [00000000] code:\n       caller is hotplug_cpu__broadcast_tick_pull+0x1c/0xc0\n\nMove it to the actual usage site which is in a non-preemptible region."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/time/tick-broadcast.c"
                    ],
                    "versions": [
                        {
                            "version": "dfe19aa91378",
                            "lessThan": "f54abf332a2b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "457a1c87d454",
                            "lessThan": "f91fb47ecacc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9ef719022814",
                            "lessThan": "668c6c4a7e9e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d3b165c10473",
                            "lessThan": "541a900d2455",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "408bfb6b0a7f",
                            "lessThan": "7b3ec186ba93",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3a58c590f6bd",
                            "lessThan": "b9d604933d5f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2cdab4b4bf77",
                            "lessThan": "7dd12f85f150",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f7d43dd206e7",
                            "lessThan": "6881e75237a8",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/time/tick-broadcast.c"
                    ],
                    "versions": [
                        {
                            "version": "6.1.103",
                            "lessThan": "6.1.105",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.44",
                            "lessThan": "6.6.46",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10.3",
                            "lessThan": "6.10.5",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f54abf332a2bc0413cfa8bd6a8511f7aa99faea0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f91fb47ecacc178a83a77eeebd25cbaec18c01d6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/668c6c4a7e9e9f081c06b70f30104fb7013437ed"
                },
                {
                    "url": "https://git.kernel.org/stable/c/541a900d245536d4809cb1aa322c3fcc2cdb58a6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7b3ec186ba93e333e9efe7254e7e31c1828e5d2d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b9d604933d5fd72dd37f24e1dc35f778297d745a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7dd12f85f150010ef7518201c63fa7e395f5c3e9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6881e75237a84093d0986f56223db3724619f26e"
                }
            ],
            "title": "tick/broadcast: Move per CPU pointer access into the atomic section",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-44968",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T17:39:24.484235Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-12T17:33:33.994Z"
                }
            }
        ]
    }
}