{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: port100: fix use-after-free in port100_send_complete\n\nSyzbot reported UAF in port100_send_complete(). The root case is in\nmissing usb_kill_urb() calls on error handling path of ->probe function.\n\nport100_send_complete() accesses devm allocated memory which will be\nfreed on probe failure. We should kill this urbs before returning an\nerror from probe function to prevent reported use-after-free\n\nFail log:\n\nBUG: KASAN: use-after-free in port100_send_complete+0x16e/0x1a0 drivers/nfc/port100.c:935\nRead of size 1 at addr ffff88801bb59540 by task ksoftirqd/2/26\n...\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\n print_address_description.constprop.0.cold+0x8d/0x303 mm/kasan/report.c:255\n __kasan_report mm/kasan/report.c:442 [inline]\n kasan_report.cold+0x83/0xdf mm/kasan/report.c:459\n port100_send_complete+0x16e/0x1a0 drivers/nfc/port100.c:935\n __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670\n\n...\n\nAllocated by task 1255:\n kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38\n kasan_set_track mm/kasan/common.c:45 [inline]\n set_alloc_info mm/kasan/common.c:436 [inline]\n ____kasan_kmalloc mm/kasan/common.c:515 [inline]\n ____kasan_kmalloc mm/kasan/common.c:474 [inline]\n __kasan_kmalloc+0xa6/0xd0 mm/kasan/common.c:524\n alloc_dr drivers/base/devres.c:116 [inline]\n devm_kmalloc+0x96/0x1d0 drivers/base/devres.c:823\n devm_kzalloc include/linux/device.h:209 [inline]\n port100_probe+0x8a/0x1320 drivers/nfc/port100.c:1502\n\nFreed by task 1255:\n kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38\n kasan_set_track+0x21/0x30 mm/kasan/common.c:45\n kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370\n ____kasan_slab_free mm/kasan/common.c:366 [inline]\n ____kasan_slab_free+0xff/0x140 mm/kasan/common.c:328\n kasan_slab_free include/linux/kasan.h:236 [inline]\n __cache_free mm/slab.c:3437 [inline]\n kfree+0xf8/0x2b0 mm/slab.c:3794\n release_nodes+0x112/0x1a0 drivers/base/devres.c:501\n devres_release_all+0x114/0x190 drivers/base/devres.c:530\n really_probe+0x626/0xcc0 drivers/base/dd.c:670"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/nfc/port100.c"
               ],
               "versions": [
                  {
                     "version": "0347a6ab300a",
                     "lessThan": "205c4ec78e71",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0347a6ab300a",
                     "lessThan": "32e866ae5a7a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0347a6ab300a",
                     "lessThan": "b1db33d4e54b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0347a6ab300a",
                     "lessThan": "cd2a5c0da0d1",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0347a6ab300a",
                     "lessThan": "2b1c85f56512",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0347a6ab300a",
                     "lessThan": "0e721b8f2ee5",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0347a6ab300a",
                     "lessThan": "7194737e1be8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "0347a6ab300a",
                     "lessThan": "f80cfe2f2658",
                     "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/nfc/port100.c"
               ],
               "versions": [
                  {
                     "version": "3.13",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.13",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.9.307",
                     "lessThanOrEqual": "4.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.272",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.235",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.185",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.106",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.29",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.16.15",
                     "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/205c4ec78e71cbf561794e6043da80e7bae6790f"
            },
            {
               "url": "https://git.kernel.org/stable/c/32e866ae5a7af590597ef4bcff8451bf96d5f980"
            },
            {
               "url": "https://git.kernel.org/stable/c/b1db33d4e54bc35d8db96ce143ea0ef92e23d58e"
            },
            {
               "url": "https://git.kernel.org/stable/c/cd2a5c0da0d1ddf11d1f84e9c9b1949f50f6e161"
            },
            {
               "url": "https://git.kernel.org/stable/c/2b1c85f56512d49e43bc53741fce2f508cd90029"
            },
            {
               "url": "https://git.kernel.org/stable/c/0e721b8f2ee5e11376dd55363f9ccb539d754b8a"
            },
            {
               "url": "https://git.kernel.org/stable/c/7194737e1be8fdc89d2a9382bd2f371f7ee2eda8"
            },
            {
               "url": "https://git.kernel.org/stable/c/f80cfe2f26581f188429c12bd937eb905ad3ac7b"
            }
         ],
         "title": "NFC: port100: fix use-after-free in port100_send_complete",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-48857",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}
