{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nworkqueue: Don't call cpumask_test_cpu() with -1 CPU in wq_update_node_max_active()\n\nFor wq_update_node_max_active(), @off_cpu of -1 indicates that no CPU is\ngoing down. The function was incorrectly calling cpumask_test_cpu() with -1\nCPU leading to oopses like the following on some archs:\n\n  Unable to handle kernel paging request at virtual address ffff0002100296e0\n  ..\n  pc : wq_update_node_max_active+0x50/0x1fc\n  lr : wq_update_node_max_active+0x1f0/0x1fc\n  ...\n  Call trace:\n    wq_update_node_max_active+0x50/0x1fc\n    apply_wqattrs_commit+0xf0/0x114\n    apply_workqueue_attrs_locked+0x58/0xa0\n    alloc_workqueue+0x5ac/0x774\n    workqueue_init_early+0x460/0x540\n    start_kernel+0x258/0x684\n    __primary_switched+0xb8/0xc0\n  Code: 9100a273 35000d01 53067f00 d0016dc1 (f8607a60)\n  ---[ end trace 0000000000000000 ]---\n  Kernel panic - not syncing: Attempted to kill the idle task!\n  ---[ end Kernel panic - not syncing: Attempted to kill the idle task! ]---\n\nFix it."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "kernel/workqueue.c"
               ],
               "versions": [
                  {
                     "version": "5a70baec2294",
                     "lessThan": "7df62b8cca38",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5a70baec2294",
                     "lessThan": "a75ac2693d73",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "fc67aebe34f2",
                     "lessThan": "38c19c44cc05",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "843288afd3cc",
                     "lessThan": "9fc557d489f8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "843288afd3cc",
                     "lessThan": "adc646d21269",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5797b1c18919",
                     "lessThan": "15930da42f89",
                     "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/workqueue.c"
               ],
               "versions": [
                  {
                     "version": "6.6.23",
                     "lessThan": "6.6.25",
                     "status": "affected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8.2",
                     "lessThan": "6.8.4",
                     "status": "affected",
                     "versionType": "custom"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/7df62b8cca38aa452b508b477b16544cba615084"
            },
            {
               "url": "https://git.kernel.org/stable/c/a75ac2693d734d20724f0e10e039ca85f1fcfc4e"
            },
            {
               "url": "https://git.kernel.org/stable/c/38c19c44cc05ec1e84d2e31a9a289b83b6c7ec85"
            },
            {
               "url": "https://git.kernel.org/stable/c/9fc557d489f8163c1aabcb89114b8eba960f4097"
            },
            {
               "url": "https://git.kernel.org/stable/c/adc646d2126988a64234502f579e4bc2b080d7cf"
            },
            {
               "url": "https://git.kernel.org/stable/c/15930da42f8981dc42c19038042947b475b19f47"
            }
         ],
         "title": "workqueue: Don't call cpumask_test_cpu() with -1 CPU in wq_update_node_max_active()",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-27055",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}