{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (coretemp) Check for null before removing sysfs attrs\n\nIf coretemp_add_core() gets an error then pdata->core_data[indx]\nis already NULL and has been kfreed. Don't pass that to\nsysfs_remove_group() as that will crash in sysfs_remove_group().\n\n[Shortened for readability]\n[91854.020159] sysfs: cannot create duplicate filename '/devices/platform/coretemp.0/hwmon/hwmon2/temp20_label'\n<cpu offline>\n[91855.126115] BUG: kernel NULL pointer dereference, address: 0000000000000188\n[91855.165103] #PF: supervisor read access in kernel mode\n[91855.194506] #PF: error_code(0x0000) - not-present page\n[91855.224445] PGD 0 P4D 0\n[91855.238508] Oops: 0000 [#1] PREEMPT SMP PTI\n...\n[91855.342716] RIP: 0010:sysfs_remove_group+0xc/0x80\n...\n[91855.796571] Call Trace:\n[91855.810524]  coretemp_cpu_offline+0x12b/0x1dd [coretemp]\n[91855.841738]  ? coretemp_cpu_online+0x180/0x180 [coretemp]\n[91855.871107]  cpuhp_invoke_callback+0x105/0x4b0\n[91855.893432]  cpuhp_thread_fun+0x8e/0x150\n...\n\nFix this by checking for NULL first."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/hwmon/coretemp.c"
               ],
               "versions": [
                  {
                     "version": "199e0de7f5df",
                     "lessThan": "fb503d077ff7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "199e0de7f5df",
                     "lessThan": "070d5ea4a059",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "199e0de7f5df",
                     "lessThan": "280110db1a7d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "199e0de7f5df",
                     "lessThan": "89eecabe6a47",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "199e0de7f5df",
                     "lessThan": "f06e0cd01eab",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "199e0de7f5df",
                     "lessThan": "7692700ac818",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "199e0de7f5df",
                     "lessThan": "ae6c8b6e5d56",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "199e0de7f5df",
                     "lessThan": "a89ff5f5cc64",
                     "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/hwmon/coretemp.c"
               ],
               "versions": [
                  {
                     "version": "3.0",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.0",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.9.335",
                     "lessThanOrEqual": "4.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.301",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.268",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.226",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.158",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.82",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.0.12",
                     "lessThanOrEqual": "6.0.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/fb503d077ff7b43913503eaf72995d1239028b99"
            },
            {
               "url": "https://git.kernel.org/stable/c/070d5ea4a0592a37ad96ce7f7b6b024f90bb009f"
            },
            {
               "url": "https://git.kernel.org/stable/c/280110db1a7d62ad635b103bafc3ae96e8bef75c"
            },
            {
               "url": "https://git.kernel.org/stable/c/89eecabe6a47403237f45aafd7d24f93cb973653"
            },
            {
               "url": "https://git.kernel.org/stable/c/f06e0cd01eab954bd5f2190c9faa79bb5357e05b"
            },
            {
               "url": "https://git.kernel.org/stable/c/7692700ac818866d138a8de555130a6e70e6ac16"
            },
            {
               "url": "https://git.kernel.org/stable/c/ae6c8b6e5d5628df1c475c0a8fca1465e205c95b"
            },
            {
               "url": "https://git.kernel.org/stable/c/a89ff5f5cc64b9fe7a992cf56988fd36f56ca82a"
            }
         ],
         "title": "hwmon: (coretemp) Check for null before removing sysfs attrs",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-49010",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}