[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2026-46325":6},{"stargazers_count":4,"fetched_at":5},8,"2026-09-19T04:32:17.889Z",{"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":38},"DEBIAN-CVE-2026-46325","In the Linux kernel, the following vulnerability has been resolved:  RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE  The current implementation incorrectly handles memory regions (MRs) with page sizes different from the system PAGE_SIZE. The core issue is that rxe_set_page() is called with mr->page_size step increments, but the page_list stores individual struct page pointers, each representing PAGE_SIZE of memory.  ib_sg_to_page() has ensured that when i>=1 either a) SG[i-1].dma_end and SG[i].dma_addr are contiguous or b) SG[i-1].dma_end and SG[i].dma_addr are mr->page_size aligned.  This leads to incorrect iova-to-va conversion in scenarios:  1) page_size \u003C PAGE_SIZE (e.g., MR: 4K, system: 64K):    ibmr->iova = 0x181800    sg[0]: dma_addr=0x181800, len=0x800    sg[1]: dma_addr=0x173000, len=0x1000     Access iova = 0x181800 + 0x810 = 0x182010    Expected VA: 0x173010 (second SG, offset 0x10)    Before fix:      - index = (0x182010 >> 12) - (0x181800 >> 12) = 1      - page_offset = 0x182010 & 0xFFF = 0x10      - xarray[1] stores system page base 0x170000      - Resulting VA: 0x170000 + 0x10 = 0x170010 (wrong)  2) page_size > PAGE_SIZE (e.g., MR: 64K, system: 4K):    ibmr->iova = 0x18f800    sg[0]: dma_addr=0x18f800, len=0x800    sg[1]: dma_addr=0x170000, len=0x1000     Access iova = 0x18f800 + 0x810 = 0x190010    Expected VA: 0x170010 (second SG, offset 0x10)    Before fix:      - index = (0x190010 >> 16) - (0x18f800 >> 16) = 1      - page_offset = 0x190010 & 0xFFFF = 0x10      - xarray[1] stores system page for dma_addr 0x170000      - Resulting VA: system page of 0x170000 + 0x10 = 0x170010 (wrong)  Yi Zhang reported a kernel panic[1] years ago related to this defect.  Solution: 1. Replace xarray with pre-allocated rxe_mr_page array for sequential    indexing (all MR page indices are contiguous) 2. Each rxe_mr_page stores both struct page* and offset within the    system page 3. Handle MR page_size != PAGE_SIZE relationships:    - page_size > PAGE_SIZE: Split MR pages into multiple system pages    - page_size \u003C= PAGE_SIZE: Store offset within system page 4. Add boundary checks and compatibility validation  This ensures correct iova-to-va conversion regardless of MR page size and system PAGE_SIZE relationship, while improving performance through array-based sequential access.  Tests on 4K and 64K PAGE_SIZE hosts: - rdma-core/pytests   $ ./build/bin/run_tests.py  --dev eth0_rxe - blktest:   $ TIMEOUT=30 QUICK_RUN=1 USE_RXE=1 NVMET_TRTYPES=rdma ./check nvme srp rnbd  [1] https://lore.kernel.org/all/CAHj4cs9XRqE25jyVw9rj9YugffLn5+f=1znaBEnu1usLOciD+g@mail.gmail.com/T/",null,[],[],[],[14],{"_key":15},"CVE-2026-46325",[],[],[],"2026-06-09T14:16:42.177Z","2026-06-14T09:00:10.704281874Z",{"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-2026-46325",[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":35,"exploitabilityScore":37},9.8,"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",10,[39],{"ecosystem":40,"name":41,"vendor":42,"product":41,"cpe_part":9,"purl_type":43,"purl_namespace":42,"purl_name":41,"source":9,"versions":44},"Debian","linux","debian","deb",[45,49],{"version":46,"is_range":47,"range_type":48,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"all",true,"ecosystem",{"version":50,"is_range":47,"range_type":48,"version_start":9,"version_start_type":9,"version_end":51,"version_end_type":52,"fixed_in":9},"lt6_18_14_1","6.18.14-1","excluding"]