{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-43890",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-08-17T09:11:59.289Z",
        "datePublished": "2024-08-26T10:10:43.547Z",
        "dateUpdated": "2024-09-15T17:55:00.157Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-09-15T17:55:00.157Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix overflow in get_free_elt()\n\n\"tracing_map->next_elt\" in get_free_elt() is at risk of overflowing.\n\nOnce it overflows, new elements can still be inserted into the tracing_map\neven though the maximum number of elements (`max_elts`) has been reached.\nContinuing to insert elements after the overflow could result in the\ntracing_map containing \"tracing_map->max_size\" elements, leaving no empty\nentries.\nIf any attempt is made to insert an element into a full tracing_map using\n`__tracing_map_insert()`, it will cause an infinite loop with preemption\ndisabled, leading to a CPU hang problem.\n\nFix this by preventing any further increments to \"tracing_map->next_elt\"\nonce it reaches \"tracing_map->max_elt\"."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/trace/tracing_map.c"
                    ],
                    "versions": [
                        {
                            "version": "08d43a5fa063",
                            "lessThan": "302ceb625d7b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "08d43a5fa063",
                            "lessThan": "d3e4dbc2858f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "08d43a5fa063",
                            "lessThan": "eb223bf01e68",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "08d43a5fa063",
                            "lessThan": "cd10d186a540",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "08d43a5fa063",
                            "lessThan": "788ea62499b3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "08d43a5fa063",
                            "lessThan": "a172c7b22bc2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "08d43a5fa063",
                            "lessThan": "236bb4690773",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "08d43a5fa063",
                            "lessThan": "bcf86c01ca46",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/trace/tracing_map.c"
                    ],
                    "versions": [
                        {
                            "version": "4.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.7",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.19.320",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.4.282",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.224",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.165",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.1.105",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.46",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10.5",
                            "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/302ceb625d7b990db205a15e371f9a71238de91c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d3e4dbc2858fe85d1dbd2e72a9fc5dea988b5c18"
                },
                {
                    "url": "https://git.kernel.org/stable/c/eb223bf01e688dfe37e813c8988ee11c8c9f8d0a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cd10d186a5409a1fe6e976df82858e9773a698da"
                },
                {
                    "url": "https://git.kernel.org/stable/c/788ea62499b3c18541fd6d621964d8fafbc4aec5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a172c7b22bc2feaf489cfc6d6865f7237134fdf8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/236bb4690773ab6869b40bedc7bc8d889e36f9d6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bcf86c01ca4676316557dd482c8416ece8c2e143"
                }
            ],
            "title": "tracing: Fix overflow in get_free_elt()",
            "x_generator": {
                "engine": "bippy-c9c4e1df01b2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-43890",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T15:29:25.469360Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-09-12T17:32:58.468Z"
                }
            }
        ]
    }
}