{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nphy: ti: Fix missing sentinel for clk_div_table\n\n_get_table_maxdiv() tries to access \"clk_div_table\" array out of bound\ndefined in phy-j721e-wiz.c. Add a sentinel entry to prevent\nthe following global-out-of-bounds error reported by enabling KASAN.\n\n[    9.552392] BUG: KASAN: global-out-of-bounds in _get_maxdiv+0xc0/0x148\n[    9.558948] Read of size 4 at addr ffff8000095b25a4 by task kworker/u4:1/38\n[    9.565926]\n[    9.567441] CPU: 1 PID: 38 Comm: kworker/u4:1 Not tainted 5.16.0-116492-gdaadb3bd0e8d-dirty #360\n[    9.576242] Hardware name: Texas Instruments J721e EVM (DT)\n[    9.581832] Workqueue: events_unbound deferred_probe_work_func\n[    9.587708] Call trace:\n[    9.590174]  dump_backtrace+0x20c/0x218\n[    9.594038]  show_stack+0x18/0x68\n[    9.597375]  dump_stack_lvl+0x9c/0xd8\n[    9.601062]  print_address_description.constprop.0+0x78/0x334\n[    9.606830]  kasan_report+0x1f0/0x260\n[    9.610517]  __asan_load4+0x9c/0xd8\n[    9.614030]  _get_maxdiv+0xc0/0x148\n[    9.617540]  divider_determine_rate+0x88/0x488\n[    9.622005]  divider_round_rate_parent+0xc8/0x124\n[    9.626729]  wiz_clk_div_round_rate+0x54/0x68\n[    9.631113]  clk_core_determine_round_nolock+0x124/0x158\n[    9.636448]  clk_core_round_rate_nolock+0x68/0x138\n[    9.641260]  clk_core_set_rate_nolock+0x268/0x3a8\n[    9.645987]  clk_set_rate+0x50/0xa8\n[    9.649499]  cdns_sierra_phy_init+0x88/0x248\n[    9.653794]  phy_init+0x98/0x108\n[    9.657046]  cdns_pcie_enable_phy+0xa0/0x170\n[    9.661340]  cdns_pcie_init_phy+0x250/0x2b0\n[    9.665546]  j721e_pcie_probe+0x4b8/0x798\n[    9.669579]  platform_probe+0x8c/0x108\n[    9.673350]  really_probe+0x114/0x630\n[    9.677037]  __driver_probe_device+0x18c/0x220\n[    9.681505]  driver_probe_device+0xac/0x150\n[    9.685712]  __device_attach_driver+0xec/0x170\n[    9.690178]  bus_for_each_drv+0xf0/0x158\n[    9.694124]  __device_attach+0x184/0x210\n[    9.698070]  device_initial_probe+0x14/0x20\n[    9.702277]  bus_probe_device+0xec/0x100\n[    9.706223]  deferred_probe_work_func+0x124/0x180\n[    9.710951]  process_one_work+0x4b0/0xbc0\n[    9.714983]  worker_thread+0x74/0x5d0\n[    9.718668]  kthread+0x214/0x230\n[    9.721919]  ret_from_fork+0x10/0x20\n[    9.725520]\n[    9.727032] The buggy address belongs to the variable:\n[    9.732183]  clk_div_table+0x24/0x440"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/phy/ti/phy-j721e-wiz.c"
               ],
               "versions": [
                  {
                     "version": "091876cc355d",
                     "lessThan": "3c75d1017cb3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "091876cc355d",
                     "lessThan": "7a360e546ad9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "091876cc355d",
                     "lessThan": "5b0c9569135a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "091876cc355d",
                     "lessThan": "6d1e6bcb3166",
                     "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/phy/ti/phy-j721e-wiz.c"
               ],
               "versions": [
                  {
                     "version": "5.6",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.6",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.101",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.24",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.16.10",
                     "lessThanOrEqual": "5.16.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.17",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/3c75d1017cb362b6a4e0935746ef5da28250919f"
            },
            {
               "url": "https://git.kernel.org/stable/c/7a360e546ad9e7c3fd53d6bb60348c660cd28f54"
            },
            {
               "url": "https://git.kernel.org/stable/c/5b0c9569135a37348c1267c81e8b0274b21a86ed"
            },
            {
               "url": "https://git.kernel.org/stable/c/6d1e6bcb31663ee83aaea1f171f3dbfe95dd4a69"
            }
         ],
         "title": "phy: ti: Fix missing sentinel for clk_div_table",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-48803",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}