{"id":"CVE-2026-89993","revision":"00d19836da6742ebb77c752a72aadb4c","records":[{"revision":"00d19836da6742ebb77c752a72aadb4c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89993","aliases":[],"title":"dmaengine: dw-edma: Initialize IRQ data before requesting IRQs","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: dw-edma: Initialize IRQ data before requesting IRQs\n\ndw_edma_irq_request() passes struct dw_edma_irq to request_irq() before\ndw_edma_channel_setup() fills the back pointer. A shared interrupt can\ntherefore enter the handler with dw_irq->dw still NULL, leading to a\nNULL pointer dereference.\n\nSet the back pointer before installing each handler.","state":0,"publishedAt":"2026-09-16T10:33:06.611+00:00","modifiedAt":"2026-10-19T08:56:07.415+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/dma/dw-edma/dw-edma-core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf\",\n                            \"lessThan\": \"b86280b12ccf33b68b309b7cb0e4476894dfe77c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf\",\n                            \"lessThan\": \"07e50cef557def076418c67051a336e4c6bd50e1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf\",\n                            \"lessThan\": \"17ef63843c0fcbf1efdfbbfb0f5584a5ea2c91ba\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf\",\n                            \"lessThan\": \"d232bc6cf4562132ef50644484dfd4b23a593295\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf\",\n                            \"lessThan\": \"fac202d73e7a649b7d4010325c6c6dcd9334fe65\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf\",\n                            \"lessThan\": \"d91fb6c0d10dad32929dc5c6850f89df34e1bfcd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf\",\n                            \"lessThan\": \"647217abea849d3d45f8cb0b8ee5b78d50f26985\",\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/dma/dw-edma/dw-edma-core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.3\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.3\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.51\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.5\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/b86280b12ccf33b68b309b7cb0e4476894dfe77c","https://git.kernel.org/stable/c/07e50cef557def076418c67051a336e4c6bd50e1","https://git.kernel.org/stable/c/17ef63843c0fcbf1efdfbbfb0f5584a5ea2c91ba","https://git.kernel.org/stable/c/d232bc6cf4562132ef50644484dfd4b23a593295","https://git.kernel.org/stable/c/fac202d73e7a649b7d4010325c6c6dcd9334fe65","https://git.kernel.org/stable/c/d91fb6c0d10dad32929dc5c6850f89df34e1bfcd","https://git.kernel.org/stable/c/647217abea849d3d45f8cb0b8ee5b78d50f26985"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89993","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89993","identifiers":["CVE-2026-89993"]},"retained":false,"historicalAffected":[]}],"coverage":[]}