{"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": "2026-02-09T08:36:10.714Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-02-09T08:36:10.714Z"}, "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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2025-71186", "lastModified": "2026-02-06T17:16:18.727", "metrics": {}, "published": "2026-01-31T12:16:03.873", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1a179ac01ff3993ab97e33cc77c316ed7415cda1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1dda2a32303df0091896b01a9d09070d61fa344c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2fb10259d4efb4367787b5ae9c94192e8a91c648"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3b42020e6790a5e19b36c187ed5b488a5716f97f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3ef52d31cce8ba816739085a61efe07b63c6cf27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6393da54dcb3488c080a183c4182ddec71ba8d7f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dd6e4943889fb354efa3f700e42739da9bddb6ef"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: dmaengine: stm32: dmamux: fix device leak on route allocation", "id": "2435647", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2435647"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2025-71186", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-01-31T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-71186\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-71186\nhttps://lore.kernel.org/linux-cve-announce/2026013118-CVE-2025-71186-48f2@gregkh/T"]}

{}