{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89993","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.780Z","datePublished":"2026-09-16T10:33:06.611Z","dateUpdated":"2026-09-16T10:33:06.611Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-16T10:33:06.611Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/dw-edma/dw-edma-core.c"],"versions":[{"version":"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf","lessThan":"b86280b12ccf33b68b309b7cb0e4476894dfe77c","status":"affected","versionType":"git"},{"version":"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf","lessThan":"07e50cef557def076418c67051a336e4c6bd50e1","status":"affected","versionType":"git"},{"version":"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf","lessThan":"17ef63843c0fcbf1efdfbbfb0f5584a5ea2c91ba","status":"affected","versionType":"git"},{"version":"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf","lessThan":"d232bc6cf4562132ef50644484dfd4b23a593295","status":"affected","versionType":"git"},{"version":"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf","lessThan":"fac202d73e7a649b7d4010325c6c6dcd9334fe65","status":"affected","versionType":"git"},{"version":"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf","lessThan":"d91fb6c0d10dad32929dc5c6850f89df34e1bfcd","status":"affected","versionType":"git"},{"version":"e63d79d1ffcd2201a2dbff1d7a1184b8f3ec74cf","lessThan":"647217abea849d3d45f8cb0b8ee5b78d50f26985","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/dw-edma/dw-edma-core.c"],"versions":[{"version":"5.3","status":"affected"},{"version":"0","lessThan":"5.3","status":"unaffected","versionType":"semver"},{"version":"5.15.221","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.51","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.5","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b86280b12ccf33b68b309b7cb0e4476894dfe77c"},{"url":"https://git.kernel.org/stable/c/07e50cef557def076418c67051a336e4c6bd50e1"},{"url":"https://git.kernel.org/stable/c/17ef63843c0fcbf1efdfbbfb0f5584a5ea2c91ba"},{"url":"https://git.kernel.org/stable/c/d232bc6cf4562132ef50644484dfd4b23a593295"},{"url":"https://git.kernel.org/stable/c/fac202d73e7a649b7d4010325c6c6dcd9334fe65"},{"url":"https://git.kernel.org/stable/c/d91fb6c0d10dad32929dc5c6850f89df34e1bfcd"},{"url":"https://git.kernel.org/stable/c/647217abea849d3d45f8cb0b8ee5b78d50f26985"}],"title":"dmaengine: dw-edma: Initialize IRQ data before requesting IRQs","x_generator":{"engine":"bippy-1.2.0"}}}}