{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthermal/drivers/cpufreq_cooling: Fix slab OOB issue\n\nSlab OOB issue is scanned by KASAN in cpu_power_to_freq().\nIf power is limited below the power of OPP0 in EM table,\nit will cause slab out-of-bound issue with negative array\nindex.\n\nReturn the lowest frequency if limited power cannot found\na suitable OPP in EM table to fix this issue.\n\nBacktrace:\n[<ffffffd02d2a37f0>] die+0x104/0x5ac\n[<ffffffd02d2a5630>] bug_handler+0x64/0xd0\n[<ffffffd02d288ce4>] brk_handler+0x160/0x258\n[<ffffffd02d281e5c>] do_debug_exception+0x248/0x3f0\n[<ffffffd02d284488>] el1_dbg+0x14/0xbc\n[<ffffffd02d75d1d4>] __kasan_report+0x1dc/0x1e0\n[<ffffffd02d75c2e0>] kasan_report+0x10/0x20\n[<ffffffd02d75def8>] __asan_report_load8_noabort+0x18/0x28\n[<ffffffd02e6fce5c>] cpufreq_power2state+0x180/0x43c\n[<ffffffd02e6ead80>] power_actor_set_power+0x114/0x1d4\n[<ffffffd02e6fac24>] allocate_power+0xaec/0xde0\n[<ffffffd02e6f9f80>] power_allocator_throttle+0x3ec/0x5a4\n[<ffffffd02e6ea888>] handle_thermal_trip+0x160/0x294\n[<ffffffd02e6edd08>] thermal_zone_device_check+0xe4/0x154\n[<ffffffd02d351cb4>] process_one_work+0x5e4/0xe28\n[<ffffffd02d352f44>] worker_thread+0xa4c/0xfac\n[<ffffffd02d360124>] kthread+0x33c/0x358\n[<ffffffd02d289940>] ret_from_fork+0xc/0x18"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/thermal/cpufreq_cooling.c"
               ],
               "versions": [
                  {
                     "version": "371a3bc79c11",
                     "lessThan": "c24a20912eef",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "371a3bc79c11",
                     "lessThan": "876a5f33e5d9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "371a3bc79c11",
                     "lessThan": "6bf443acf6ca",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "371a3bc79c11",
                     "lessThan": "34ab17cc6c2c",
                     "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/thermal/cpufreq_cooling.c"
               ],
               "versions": [
                  {
                     "version": "5.8",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.8",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.36",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.11.20",
                     "lessThanOrEqual": "5.11.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12.3",
                     "lessThanOrEqual": "5.12.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.13",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/c24a20912eef00587416628149c438e885eb1304"
            },
            {
               "url": "https://git.kernel.org/stable/c/876a5f33e5d961d879c5436987c09b3d9ef70379"
            },
            {
               "url": "https://git.kernel.org/stable/c/6bf443acf6ca4f666d0e4225614ba9993a3aa1a9"
            },
            {
               "url": "https://git.kernel.org/stable/c/34ab17cc6c2c1ac93d7e5d53bb972df9a968f085"
            }
         ],
         "title": "thermal/drivers/cpufreq_cooling: Fix slab OOB issue",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2020-36776",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}