{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-41023",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-07-12T12:17:45.615Z",
        "datePublished": "2024-07-29T14:31:40.439Z",
        "dateUpdated": "2024-09-11T17:34:04.883Z"
    },
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                "dateUpdated": "2024-07-29T14:31:40.439Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/deadline: Fix task_struct reference leak\n\nDuring the execution of the following stress test with linux-rt:\n\nstress-ng --cyclic 30 --timeout 30 --minimize --quiet\n\nkmemleak frequently reported a memory leak concerning the task_struct:\n\nunreferenced object 0xffff8881305b8000 (size 16136):\n  comm \"stress-ng\", pid 614, jiffies 4294883961 (age 286.412s)\n  object hex dump (first 32 bytes):\n    02 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00  .@..............\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  debug hex dump (first 16 bytes):\n    53 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00  S...............\n  backtrace:\n    [<00000000046b6790>] dup_task_struct+0x30/0x540\n    [<00000000c5ca0f0b>] copy_process+0x3d9/0x50e0\n    [<00000000ced59777>] kernel_clone+0xb0/0x770\n    [<00000000a50befdc>] __do_sys_clone+0xb6/0xf0\n    [<000000001dbf2008>] do_syscall_64+0x5d/0xf0\n    [<00000000552900ff>] entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nThe issue occurs in start_dl_timer(), which increments the task_struct\nreference count and sets a timer. The timer callback, dl_task_timer,\nis supposed to decrement the reference count upon expiration. However,\nif enqueue_task_dl() is called before the timer expires and cancels it,\nthe reference count is not decremented, leading to the leak.\n\nThis patch fixes the reference leak by ensuring the task_struct\nreference count is properly decremented when the timer is canceled."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/sched/deadline.c"
                    ],
                    "versions": [
                        {
                            "version": "feff2e65efd8",
                            "lessThan": "7a54d31face6",
                            "status": "affected",
                            "versionType": "git"
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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                        "kernel/sched/deadline.c"
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                            "version": "5.10",
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                            "version": "0",
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                            "versionType": "custom"
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                            "version": "6.9.10",
                            "lessThanOrEqual": "6.9.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.10",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7a54d31face626f62de415ebe77b43f76c3ffaf4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b58652db66c910c2245f5bee7deca41c12d707b9"
                }
            ],
            "title": "sched/deadline: Fix task_struct reference leak",
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                    "dateUpdated": "2024-08-02T04:39:56.070Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/7a54d31face626f62de415ebe77b43f76c3ffaf4",
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                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-41023",
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                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Automatable": "no"
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                                "version": "2.0.3",
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