[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2021-47047":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T02:53:27.892Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":17,"related":18,"reserved_at":9,"published_at":19,"modified_at":20,"state":9,"summary":21,"references_raw":23,"kevs":30,"epss":9,"epss_history":31,"metrics":32,"affected":39},"DEBIAN-CVE-2021-47047","In the Linux kernel, the following vulnerability has been resolved:  spi: spi-zynqmp-gqspi: return -ENOMEM if dma_map_single fails  The spi controller supports 44-bit address space on AXI in DMA mode, so set dma_addr_t width to 44-bit to avoid using a swiotlb mapping. In addition, if dma_map_single fails, it should return immediately instead of continuing doing the DMA operation which bases on invalid address.  This fixes the following crash which occurs in reading a big block from flash:  [  123.633577] zynqmp-qspi ff0f0000.spi: swiotlb buffer is full (sz: 4194304 bytes), total 32768 (slots), used 0 (slots) [  123.644230] zynqmp-qspi ff0f0000.spi: ERR:rxdma:memory not mapped [  123.784625] Unable to handle kernel paging request at virtual address 00000000003fffc0 [  123.792536] Mem abort info: [  123.795313]   ESR = 0x96000145 [  123.798351]   EC = 0x25: DABT (current EL), IL = 32 bits [  123.803655]   SET = 0, FnV = 0 [  123.806693]   EA = 0, S1PTW = 0 [  123.809818] Data abort info: [  123.812683]   ISV = 0, ISS = 0x00000145 [  123.816503]   CM = 1, WnR = 1 [  123.819455] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000805047000 [  123.825887] [00000000003fffc0] pgd=0000000803b45003, p4d=0000000803b45003, pud=0000000000000000 [  123.834586] Internal error: Oops: 96000145 [#1] PREEMPT SMP",null,[],[],[],[14],{"_key":15},"CVE-2021-47047",[],[],[],"2024-02-28T09:15:40.323Z","2026-04-28T20:23:17.115286Z",{"cisa_kev":22,"cisa_ransomware":22,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[24],{"url":25,"sources":26,"tags":28},"https://security-tracker.debian.org/tracker/CVE-2021-47047",[27],"osv_debian",[29],"Advisory",[],[],[33],{"source":27,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":34,"cvss_v4_0":9},{"baseScore":35,"baseSeverity":9,"vectorString":36,"impactScore":37,"exploitabilityScore":38},5.5,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",6,4.6,[40],{"ecosystem":41,"name":42,"vendor":43,"product":42,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":42,"source":9,"versions":45},"Debian","linux","debian","deb",[46,52,53,54],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},"lt5_10_38_1",true,"ecosystem","5.10.38-1","excluding",{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9}]