{
   "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: st21nfca: Fix memory leak in device probe and remove\n\n'phy->pending_skb' is alloced when device probe, but forgot to free\nin the error handling path and remove path, this cause memory leak\nas follows:\n\nunreferenced object 0xffff88800bc06800 (size 512):\n  comm \"8\", pid 11775, jiffies 4295159829 (age 9.032s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<00000000d66c09ce>] __kmalloc_node_track_caller+0x1ed/0x450\n    [<00000000c93382b3>] kmalloc_reserve+0x37/0xd0\n    [<000000005fea522c>] __alloc_skb+0x124/0x380\n    [<0000000019f29f9a>] st21nfca_hci_i2c_probe+0x170/0x8f2\n\nFix it by freeing 'pending_skb' in error and remove."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/nfc/st21nfca/i2c.c"
               ],
               "versions": [
                  {
                     "version": "68957303f44a",
                     "lessThan": "38c3e320e7ff",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "68957303f44a",
                     "lessThan": "a1e0080a35a1",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "68957303f44a",
                     "lessThan": "1cd4063dbc91",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "68957303f44a",
                     "lessThan": "e553265ea564",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "68957303f44a",
                     "lessThan": "238920381b89",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "68957303f44a",
                     "lessThan": "1b9dadba5022",
                     "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/st21nfca/i2c.c"
               ],
               "versions": [
                  {
                     "version": "3.16",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.16",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.261",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.224",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.170",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.90",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.13",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.16",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/38c3e320e7ff46f2dc67bc5045333e63d9f8918d"
            },
            {
               "url": "https://git.kernel.org/stable/c/a1e0080a35a16ce3808f7040fe0c3a8fdb052349"
            },
            {
               "url": "https://git.kernel.org/stable/c/1cd4063dbc91cf7965d73a6a3855e2028cd4613b"
            },
            {
               "url": "https://git.kernel.org/stable/c/e553265ea56482da5700f56319fda9ff53e7dcb4"
            },
            {
               "url": "https://git.kernel.org/stable/c/238920381b8925d070d32d73cd9ce52ab29896fe"
            },
            {
               "url": "https://git.kernel.org/stable/c/1b9dadba502234eea7244879b8d5d126bfaf9f0c"
            }
         ],
         "title": "NFC: st21nfca: Fix memory leak in device probe and remove",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-46924",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}