{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-39870", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.143Z", "datePublished": "2025-09-23T06:00:44.369Z", "dateUpdated": "2025-11-03T17:44:19.166Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-29T06:01:26.463Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix double free in idxd_setup_wqs()\n\nThe clean up in idxd_setup_wqs() has had a couple bugs because the error\nhandling is a bit subtle. It's simpler to just re-write it in a cleaner\nway. The issues here are:\n\n1) If \"idxd->max_wqs\" is <= 0 then we call put_device(conf_dev) when\n \"conf_dev\" hasn't been initialized.\n2) If kzalloc_node() fails then again \"conf_dev\" is invalid. It's\n either uninitialized or it points to the \"conf_dev\" from the\n previous iteration so it leads to a double free.\n\nIt's better to free partial loop iterations within the loop and then\nthe unwinding at the end can handle whole loop iterations. I also\nrenamed the labels to describe what the goto does and not where the goto\nwas located."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/dma/idxd/init.c"], "versions": [{"version": "d584acdf54f409cb7eae1359ae6c12aaabedeed8", "lessThan": "25e6146c2812487a88f619d5ff6efbdcd5b2bc31", "status": "affected", "versionType": "git"}, {"version": "47846211998a9ffb0fcc08092eb95ac783d2b11a", "lessThan": "df82c7901513fd0fc738052a8e6a330d92cc8ec9", "status": "affected", "versionType": "git"}, {"version": "5fcd392dae6d6aba7dc64ffdbb838ff191315da3", "lessThan": "ec5430d090d0b6ace8fefa290fc37e88930017d2", "status": "affected", "versionType": "git"}, {"version": "3fd2f4bc010cdfbc07dd21018dc65bd9370eb7a4", "lessThan": "9f0e225635475b2285b966271d5e82cba74295b1", "status": "affected", "versionType": "git"}, {"version": "3fd2f4bc010cdfbc07dd21018dc65bd9370eb7a4", "lessThan": "39aaa337449e71a41d4813be0226a722827ba606", "status": "affected", "versionType": "git"}, {"version": "ed2c66000aa64c0d2621864831f0d04c820a1441", "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/idxd/init.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.153", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.107", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.48", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.8", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17", "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": "6.1.140", "versionEndExcluding": "6.1.153"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.92", "versionEndExcluding": "6.6.107"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.30", "versionEndExcluding": "6.12.48"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.16.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/25e6146c2812487a88f619d5ff6efbdcd5b2bc31"}, {"url": "https://git.kernel.org/stable/c/df82c7901513fd0fc738052a8e6a330d92cc8ec9"}, {"url": "https://git.kernel.org/stable/c/ec5430d090d0b6ace8fefa290fc37e88930017d2"}, {"url": "https://git.kernel.org/stable/c/9f0e225635475b2285b966271d5e82cba74295b1"}, {"url": "https://git.kernel.org/stable/c/39aaa337449e71a41d4813be0226a722827ba606"}], "title": "dmaengine: idxd: Fix double free in idxd_setup_wqs()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:44:19.166Z"}}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DB454072-95EE-497B-BD47-D0E5AF428502", "versionEndExcluding": "6.1.153", "versionStartIncluding": "6.1.140", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F0D6C6AD-255E-4DEC-BFBF-BE391301882F", "versionEndExcluding": "6.6.107", "versionStartIncluding": "6.6.92", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8CA170D6-7672-432A-BFF1-1F441A6AC24C", "versionEndExcluding": "6.12.48", "versionStartIncluding": "6.12.30", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F41DF25A-BF6E-49BA-950C-6BD0DA29BE5A", "versionEndExcluding": "6.15", "versionStartIncluding": "6.14.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3C553B62-BF8E-4B75-B4C8-DA0C5BDAE7D1", "versionEndExcluding": "6.16.8", "versionStartIncluding": "6.15.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.15:-:*:*:*:*:*:*", "matchCriteriaId": "A1ECC65A-EE37-4479-8E99-4BB68A22A31F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.15:rc7:*:*:*:*:*:*", "matchCriteriaId": "C300BA32-5854-4B59-A00A-18A402F291D0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*", "matchCriteriaId": "327D22EF-390B-454C-BD31-2ED23C998A1C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*", "matchCriteriaId": "C730CD9A-D969-4A8E-9522-162AAF7C0EE9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*", "matchCriteriaId": "39982C4B-716E-4B2F-8196-FA301F47807D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*", "matchCriteriaId": "340BEEA9-D70D-4290-B502-FBB1032353B1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*", "matchCriteriaId": "47E4C5C0-079F-4838-971B-8C503D48FCC2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix double free in idxd_setup_wqs()\n\nThe clean up in idxd_setup_wqs() has had a couple bugs because the error\nhandling is a bit subtle. It's simpler to just re-write it in a cleaner\nway. The issues here are:\n\n1) If \"idxd->max_wqs\" is <= 0 then we call put_device(conf_dev) when\n \"conf_dev\" hasn't been initialized.\n2) If kzalloc_node() fails then again \"conf_dev\" is invalid. It's\n either uninitialized or it points to the \"conf_dev\" from the\n previous iteration so it leads to a double free.\n\nIt's better to free partial loop iterations within the loop and then\nthe unwinding at the end can handle whole loop iterations. I also\nrenamed the labels to describe what the goto does and not where the goto\nwas located."}], "id": "CVE-2025-39870", "lastModified": "2026-01-20T20:40:34.427", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-09-23T06:15:46.240", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/25e6146c2812487a88f619d5ff6efbdcd5b2bc31"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/39aaa337449e71a41d4813be0226a722827ba606"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9f0e225635475b2285b966271d5e82cba74295b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/df82c7901513fd0fc738052a8e6a330d92cc8ec9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ec5430d090d0b6ace8fefa290fc37e88930017d2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: dmaengine: idxd: Fix double free in idxd_setup_wqs()", "id": "2397570", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2397570"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-39870", "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": "2025-09-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-39870\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-39870\nhttps://lore.kernel.org/linux-cve-announce/2025092359-CVE-2025-39870-2af3@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-09-23T16:03:16.745065+00:00", "updated": "2025-09-23T16:03:16.745139+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}