{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: spi-zynqmp-gqspi: return -ENOMEM if dma_map_single fails\n\nThe spi controller supports 44-bit address space on AXI in DMA mode,\nso set dma_addr_t width to 44-bit to avoid using a swiotlb mapping.\nIn addition, if dma_map_single fails, it should return immediately\ninstead of continuing doing the DMA operation which bases on invalid\naddress.\n\nThis fixes the following crash which occurs in reading a big block\nfrom flash:\n\n[  123.633577] zynqmp-qspi ff0f0000.spi: swiotlb buffer is full (sz: 4194304 bytes), total 32768 (slots), used 0 (slots)\n[  123.644230] zynqmp-qspi ff0f0000.spi: ERR:rxdma:memory not mapped\n[  123.784625] Unable to handle kernel paging request at virtual address 00000000003fffc0\n[  123.792536] Mem abort info:\n[  123.795313]   ESR = 0x96000145\n[  123.798351]   EC = 0x25: DABT (current EL), IL = 32 bits\n[  123.803655]   SET = 0, FnV = 0\n[  123.806693]   EA = 0, S1PTW = 0\n[  123.809818] Data abort info:\n[  123.812683]   ISV = 0, ISS = 0x00000145\n[  123.816503]   CM = 1, WnR = 1\n[  123.819455] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000805047000\n[  123.825887] [00000000003fffc0] pgd=0000000803b45003, p4d=0000000803b45003, pud=0000000000000000\n[  123.834586] Internal error: Oops: 96000145 [#1] PREEMPT SMP"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/spi/spi-zynqmp-gqspi.c"
               ],
               "versions": [
                  {
                     "version": "1c26372e5aa9",
                     "lessThan": "5980a3b9c933",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1c26372e5aa9",
                     "lessThan": "c26c026eb496",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1c26372e5aa9",
                     "lessThan": "bad5a23cf2b4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1c26372e5aa9",
                     "lessThan": "126bdb606fd2",
                     "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/spi/spi-zynqmp-gqspi.c"
               ],
               "versions": [
                  {
                     "version": "5.10",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.10",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.37",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.11.21",
                     "lessThanOrEqual": "5.11.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12.4",
                     "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/5980a3b9c933408bc22b0e349b78c3ebd7cbf880"
            },
            {
               "url": "https://git.kernel.org/stable/c/c26c026eb496261dbc0adbf606cc81989cd2038c"
            },
            {
               "url": "https://git.kernel.org/stable/c/bad5a23cf2b477fa78b85fd392736dae09a1e818"
            },
            {
               "url": "https://git.kernel.org/stable/c/126bdb606fd2802454e6048caef1be3e25dd121e"
            }
         ],
         "title": "spi: spi-zynqmp-gqspi: return -ENOMEM if dma_map_single fails",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47047",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}