{"id":"CVE-2026-72064","revision":null,"records":[{"revision":"8a7a788052704594953409eb100a5924","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72064","aliases":[],"title":"net: mana: Sync page pool RX frags for CPU","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mana: Sync page pool RX frags for CPU\n\nMANA allocates RX buffers from page pool fragments when frag_count is\ngreater than 1. In that case the buffers remain DMA mapped by page pool\nand the RX completion path does not call dma_unmap_single(). As a result,\nthe implicit sync-for-CPU normally performed by dma_unmap_single() is\nmissing before the packet data is passed to the networking stack.\n\nThis breaks RX on configurations which require explicit DMA syncing, for\nexample when booted with swiotlb=force.\n\nFix this by recording the page pool page and DMA sync offset when the RX\nbuffer is allocated, and syncing the received packet range for CPU access\nbefore handing the RX buffer to the stack.","state":0,"publishedAt":"2026-08-15T05:52:18.069+00:00","modifiedAt":"2026-10-19T21:19:25.844+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/ethernet/microsoft/mana/mana_en.c\",\n                        \"include/net/mana/mana.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"730ff06d3f5cc2ce0348414b78c10528b767d4a3\",\n                            \"lessThan\": \"845c959178ccab020b67bed7f4eae3058135ec80\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"730ff06d3f5cc2ce0348414b78c10528b767d4a3\",\n                            \"lessThan\": \"bc650dd5ce6434286b96e2b26a41af81f679cc7c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"730ff06d3f5cc2ce0348414b78c10528b767d4a3\",\n                            \"lessThan\": \"c72a0f09c57f92113df69f9b902d11c9e4b132f5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/ethernet/microsoft/mana/mana_en.c\",\n                        \"include/net/mana/mana.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.18\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.18\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.56\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://git.kernel.org/stable/c/845c959178ccab020b67bed7f4eae3058135ec80","https://git.kernel.org/stable/c/bc650dd5ce6434286b96e2b26a41af81f679cc7c","https://git.kernel.org/stable/c/c72a0f09c57f92113df69f9b902d11c9e4b132f5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72064","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72064","identifiers":["CVE-2026-72064"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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