{"id":"CVE-2021-47047","state":"PUBLISHED","title":"spi: spi-zynqmp-gqspi: return -ENOMEM if dma_map_single fails","description":"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","publishedAt":"2024-02-28T08:13:50.931Z","updatedAt":"2026-05-11T13:47:02.641Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e","status":"affected","lessThan":"5980a3b9c933408bc22b0e349b78c3ebd7cbf880","versionType":"git"},{"version":"1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e","status":"affected","lessThan":"c26c026eb496261dbc0adbf606cc81989cd2038c","versionType":"git"},{"version":"1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e","status":"affected","lessThan":"bad5a23cf2b477fa78b85fd392736dae09a1e818","versionType":"git"},{"version":"1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e","status":"affected","lessThan":"126bdb606fd2802454e6048caef1be3e25dd121e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-zynqmp-gqspi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.37","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.11.21","status":"unaffected","lessThanOrEqual":"5.11.*","versionType":"semver"},{"version":"5.12.4","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-zynqmp-gqspi.c"]}],"references":["https://git.kernel.org/stable/c/5980a3b9c933408bc22b0e349b78c3ebd7cbf880","https://git.kernel.org/stable/c/c26c026eb496261dbc0adbf606cc81989cd2038c","https://git.kernel.org/stable/c/bad5a23cf2b477fa78b85fd392736dae09a1e818","https://git.kernel.org/stable/c/126bdb606fd2802454e6048caef1be3e25dd121e"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47047.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47047","state":"PUBLISHED","datePublished":"2024-02-28T08:13:50.931Z","dateUpdated":"2026-05-11T13:47:02.641Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-27T18:42:55.970Z"},"containers":{"cna":{"title":"spi: spi-zynqmp-gqspi: return -ENOMEM if dma_map_single fails","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e","status":"affected","lessThan":"5980a3b9c933408bc22b0e349b78c3ebd7cbf880","versionType":"git"},{"version":"1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e","status":"affected","lessThan":"c26c026eb496261dbc0adbf606cc81989cd2038c","versionType":"git"},{"version":"1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e","status":"affected","lessThan":"bad5a23cf2b477fa78b85fd392736dae09a1e818","versionType":"git"},{"version":"1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e","status":"affected","lessThan":"126bdb606fd2802454e6048caef1be3e25dd121e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-zynqmp-gqspi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.37","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.11.21","status":"unaffected","lessThanOrEqual":"5.11.*","versionType":"semver"},{"version":"5.12.4","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-zynqmp-gqspi.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T13:47:02.641Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.10.37"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.11.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.12.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.13"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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