{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71186","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-31T11:36:51.187Z","datePublished":"2026-01-31T11:41:57.921Z","dateUpdated":"2026-05-11T21:56:19.720Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:56:19.720Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/stm32/stm32-dmamux.c"],"versions":[{"version":"df7e762db5f6c8dbd9e480f1c9ef9851de346657","lessThan":"3b42020e6790a5e19b36c187ed5b488a5716f97f","status":"affected","versionType":"git"},{"version":"df7e762db5f6c8dbd9e480f1c9ef9851de346657","lessThan":"6393da54dcb3488c080a183c4182ddec71ba8d7f","status":"affected","versionType":"git"},{"version":"df7e762db5f6c8dbd9e480f1c9ef9851de346657","lessThan":"1dda2a32303df0091896b01a9d09070d61fa344c","status":"affected","versionType":"git"},{"version":"df7e762db5f6c8dbd9e480f1c9ef9851de346657","lessThan":"1a179ac01ff3993ab97e33cc77c316ed7415cda1","status":"affected","versionType":"git"},{"version":"df7e762db5f6c8dbd9e480f1c9ef9851de346657","lessThan":"2fb10259d4efb4367787b5ae9c94192e8a91c648","status":"affected","versionType":"git"},{"version":"df7e762db5f6c8dbd9e480f1c9ef9851de346657","lessThan":"3ef52d31cce8ba816739085a61efe07b63c6cf27","status":"affected","versionType":"git"},{"version":"df7e762db5f6c8dbd9e480f1c9ef9851de346657","lessThan":"dd6e4943889fb354efa3f700e42739da9bddb6ef","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/stm32/stm32-dmamux.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"5.10.249","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.199","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.162","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.122","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.67","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.7","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","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":"4.15","versionEndExcluding":"5.10.249"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.199"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1.162"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.6.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.12.67"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.18.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3b42020e6790a5e19b36c187ed5b488a5716f97f"},{"url":"https://git.kernel.org/stable/c/6393da54dcb3488c080a183c4182ddec71ba8d7f"},{"url":"https://git.kernel.org/stable/c/1dda2a32303df0091896b01a9d09070d61fa344c"},{"url":"https://git.kernel.org/stable/c/1a179ac01ff3993ab97e33cc77c316ed7415cda1"},{"url":"https://git.kernel.org/stable/c/2fb10259d4efb4367787b5ae9c94192e8a91c648"},{"url":"https://git.kernel.org/stable/c/3ef52d31cce8ba816739085a61efe07b63c6cf27"},{"url":"https://git.kernel.org/stable/c/dd6e4943889fb354efa3f700e42739da9bddb6ef"}],"title":"dmaengine: stm32: dmamux: fix device leak on route allocation","x_generator":{"engine":"bippy-1.2.0"}}}}