{"id":"CVE-2025-71186","summary":"dmaengine: stm32: dmamux: fix device leak on route allocation","details":"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.","modified":"2026-04-02T17:30:27.221866Z","published":"2026-01-31T11:41:57.921Z","related":["SUSE-SU-2026:20838-1","SUSE-SU-2026:20931-1","openSUSE-SU-2026:20416-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71186.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1a179ac01ff3993ab97e33cc77c316ed7415cda1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1dda2a32303df0091896b01a9d09070d61fa344c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2fb10259d4efb4367787b5ae9c94192e8a91c648"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3b42020e6790a5e19b36c187ed5b488a5716f97f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3ef52d31cce8ba816739085a61efe07b63c6cf27"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6393da54dcb3488c080a183c4182ddec71ba8d7f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dd6e4943889fb354efa3f700e42739da9bddb6ef"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71186.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71186"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"df7e762db5f6c8dbd9e480f1c9ef9851de346657"},{"fixed":"3b42020e6790a5e19b36c187ed5b488a5716f97f"},{"fixed":"6393da54dcb3488c080a183c4182ddec71ba8d7f"},{"fixed":"1dda2a32303df0091896b01a9d09070d61fa344c"},{"fixed":"1a179ac01ff3993ab97e33cc77c316ed7415cda1"},{"fixed":"2fb10259d4efb4367787b5ae9c94192e8a91c648"},{"fixed":"3ef52d31cce8ba816739085a61efe07b63c6cf27"},{"fixed":"dd6e4943889fb354efa3f700e42739da9bddb6ef"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-71186.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"5.10.249"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.199"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.162"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.122"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.67"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-71186.json"}}],"schema_version":"1.7.5"}