{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "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."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/acpi/processor_idle.c"
               ],
               "versions": [
                  {
                     "version": "3d339dcbb56d",
                     "lessThan": "d351bcadab6c",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3d339dcbb56d",
                     "lessThan": "ea96bf3f8062",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3d339dcbb56d",
                     "lessThan": "c2a30c81bf3c",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3d339dcbb56d",
                     "lessThan": "1cbaf4c793b0",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3d339dcbb56d",
                     "lessThan": "fad9bcd4d754",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3d339dcbb56d",
                     "lessThan": "3d48e5be1074",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3d339dcbb56d",
                     "lessThan": "8d14a4d0afb4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3d339dcbb56d",
                     "lessThan": "cd5c2d0b09d5",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3d339dcbb56d",
                     "lessThan": "e18afcb7b2a1",
                     "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/acpi/processor_idle.c"
               ],
               "versions": [
                  {
                     "version": "3.7",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.7",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.311",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.273",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.214",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.153",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.83",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.23",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.11",
                     "lessThanOrEqual": "6.7.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8.2",
                     "lessThanOrEqual": "6.8.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/d351bcadab6caa6d8ce7159ff4b77e2da35c09fa"
            },
            {
               "url": "https://git.kernel.org/stable/c/ea96bf3f80625cddba1391a87613356b1b45716d"
            },
            {
               "url": "https://git.kernel.org/stable/c/c2a30c81bf3cb9033fa9f5305baf7c377075e2e5"
            },
            {
               "url": "https://git.kernel.org/stable/c/1cbaf4c793b0808532f4e7b40bc4be7cec2c78f2"
            },
            {
               "url": "https://git.kernel.org/stable/c/fad9bcd4d754cc689c19dc04d2c44b82c1a5d6c8"
            },
            {
               "url": "https://git.kernel.org/stable/c/3d48e5be107429ff5d824e7f2a00d1b610d36fbc"
            },
            {
               "url": "https://git.kernel.org/stable/c/8d14a4d0afb49a5b8535d414c782bb334860e73e"
            },
            {
               "url": "https://git.kernel.org/stable/c/cd5c2d0b09d5b6d3f0a7bbabe6761a4997e9dee9"
            },
            {
               "url": "https://git.kernel.org/stable/c/e18afcb7b2a12b635ac10081f943fcf84ddacc51"
            }
         ],
         "title": "ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-26894",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}