{"id":"CVE-2025-71186","revision":null,"records":[{"revision":"992da2619d944d6bab2a7401142ecaca","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-71186","aliases":[],"title":"dmaengine: stm32: dmamux: fix device leak on route allocation","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: stm32: dmamux: fix device leak on route allocation\n\nMake sure to drop the reference taken when looking up the DMA mux\nplatform device during route allocation.\n\nNote that holding a reference to a device does not prevent its driver\ndata from going away so there is no point in keeping the reference.","state":0,"publishedAt":"2026-01-31T11:41:57.921+00:00","modifiedAt":"2026-10-15T01:11:06.39+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/stm32/stm32-dmamux.c\"\n ],\n \"versions\": [\n {\n \"version\": \"df7e762db5f6c8dbd9e480f1c9ef9851de346657\",\n \"lessThan\": \"3b42020e6790a5e19b36c187ed5b488a5716f97f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"df7e762db5f6c8dbd9e480f1c9ef9851de346657\",\n \"lessThan\": \"6393da54dcb3488c080a183c4182ddec71ba8d7f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"df7e762db5f6c8dbd9e480f1c9ef9851de346657\",\n \"lessThan\": \"1dda2a32303df0091896b01a9d09070d61fa344c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"df7e762db5f6c8dbd9e480f1c9ef9851de346657\",\n \"lessThan\": \"1a179ac01ff3993ab97e33cc77c316ed7415cda1\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"df7e762db5f6c8dbd9e480f1c9ef9851de346657\",\n \"lessThan\": \"2fb10259d4efb4367787b5ae9c94192e8a91c648\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"df7e762db5f6c8dbd9e480f1c9ef9851de346657\",\n \"lessThan\": \"3ef52d31cce8ba816739085a61efe07b63c6cf27\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"df7e762db5f6c8dbd9e480f1c9ef9851de346657\",\n \"lessThan\": \"dd6e4943889fb354efa3f700e42739da9bddb6ef\",\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/stm32/stm32-dmamux.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.15\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.15\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.249\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.199\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.162\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.122\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.67\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.7\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/3b42020e6790a5e19b36c187ed5b488a5716f97f","https://git.kernel.org/stable/c/6393da54dcb3488c080a183c4182ddec71ba8d7f","https://git.kernel.org/stable/c/1dda2a32303df0091896b01a9d09070d61fa344c","https://git.kernel.org/stable/c/1a179ac01ff3993ab97e33cc77c316ed7415cda1","https://git.kernel.org/stable/c/2fb10259d4efb4367787b5ae9c94192e8a91c648","https://git.kernel.org/stable/c/3ef52d31cce8ba816739085a61efe07b63c6cf27","https://git.kernel.org/stable/c/dd6e4943889fb354efa3f700e42739da9bddb6ef"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71186","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-71186","identifiers":["CVE-2025-71186"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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