{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-26894",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()\n\nAfter unregistering the CPU idle device, the memory associated with\nit is not freed, leading to a memory leak:\n\nunreferenced object 0xffff896282f6c000 (size 1024):\n  comm \"swapper/0\", pid 1, jiffies 4294893170\n  hex dump (first 32 bytes):\n    00 00 00 00 0b 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  backtrace (crc 8836a742):\n    [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340\n    [<ffffffff9972f3b3>] acpi_processor_power_init+0xf3/0x1c0\n    [<ffffffff9972d263>] __acpi_processor_start+0xd3/0xf0\n    [<ffffffff9972d2bc>] acpi_processor_start+0x2c/0x50\n    [<ffffffff99805872>] really_probe+0xe2/0x480\n    [<ffffffff99805c98>] __driver_probe_device+0x78/0x160\n    [<ffffffff99805daf>] driver_probe_device+0x1f/0x90\n    [<ffffffff9980601e>] __driver_attach+0xce/0x1c0\n    [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0\n    [<ffffffff99804822>] bus_add_driver+0x112/0x210\n    [<ffffffff99807245>] driver_register+0x55/0x100\n    [<ffffffff9aee4acb>] acpi_processor_driver_init+0x3b/0xc0\n    [<ffffffff990012d1>] do_one_initcall+0x41/0x300\n    [<ffffffff9ae7c4b0>] kernel_init_freeable+0x320/0x470\n    [<ffffffff99b231f6>] kernel_init+0x16/0x1b0\n    [<ffffffff99042e6d>] ret_from_fork+0x2d/0x50\n\nFix this by freeing the CPU idle device after unregistering it."
            }
        ]
    },
    "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": "3d339dcbb56d",
                                            "version_value": "d351bcadab6c"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "3.7",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "3.7",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "4.19.311",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.4.273",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.10.214",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.15.153",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.1.83",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.6.23",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.7.11",
                                                        "lessThanOrEqual": "6.7.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.8.2",
                                                        "lessThanOrEqual": "6.8.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.9",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa"
            },
            {
                "url": "https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d"
            },
            {
                "url": "https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5"
            },
            {
                "url": "https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2"
            },
            {
                "url": "https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8"
            },
            {
                "url": "https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc"
            },
            {
                "url": "https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e"
            },
            {
                "url": "https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9"
            },
            {
                "url": "https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51"
            }
        ]
    },
    "generator": {
        "engine": "bippy-9e1c9544281a"
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}