{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43064", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.981Z", "datePublished": "2026-05-05T15:23:24.687Z", "dateUpdated": "2026-05-05T15:23:24.687Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-05T15:23:24.687Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix not releasing workqueue on .release()\n\nThe workqueue associated with an DSA/IAA device is not released when\nthe object is freed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/dma/idxd/sysfs.c"], "versions": [{"version": "47c16ac27d4cb664cee53ee0b9b7e2f907923fb3", "lessThan": "fd4cb61bbd0fc3a749a8da6145cbb56d8f6dba35", "status": "affected", "versionType": "git"}, {"version": "47c16ac27d4cb664cee53ee0b9b7e2f907923fb3", "lessThan": "2bb9e9e93adff9cc8a138ae9a3a8d59b3452272e", "status": "affected", "versionType": "git"}, {"version": "47c16ac27d4cb664cee53ee0b9b7e2f907923fb3", "lessThan": "d02c24af126dee45247dc7890409c86d1831859d", "status": "affected", "versionType": "git"}, {"version": "47c16ac27d4cb664cee53ee0b9b7e2f907923fb3", "lessThan": "958e96533ddbd1edd127feb7624a7eed0cc379dc", "status": "affected", "versionType": "git"}, {"version": "47c16ac27d4cb664cee53ee0b9b7e2f907923fb3", "lessThan": "fc34f199eb576b3a73089452fdf0056cc9a9301d", "status": "affected", "versionType": "git"}, {"version": "47c16ac27d4cb664cee53ee0b9b7e2f907923fb3", "lessThan": "3d33de353b1ff9023d5ec73b9becf80ea87af695", "status": "affected", "versionType": "git"}, {"version": "3f0e87eb9680975184e98aed0e8866b4442a31f6", "status": "affected", "versionType": "git"}, {"version": "a13e4cf29da68630a116c1309072a265ade9566d", "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/sysfs.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.168", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.131", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.80", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.21", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.11", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "5.13", "versionEndExcluding": "6.1.168"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.131"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.12.80"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.18.21"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.19.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.0"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11.22"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/fd4cb61bbd0fc3a749a8da6145cbb56d8f6dba35"}, {"url": "https://git.kernel.org/stable/c/2bb9e9e93adff9cc8a138ae9a3a8d59b3452272e"}, {"url": "https://git.kernel.org/stable/c/d02c24af126dee45247dc7890409c86d1831859d"}, {"url": "https://git.kernel.org/stable/c/958e96533ddbd1edd127feb7624a7eed0cc379dc"}, {"url": "https://git.kernel.org/stable/c/fc34f199eb576b3a73089452fdf0056cc9a9301d"}, {"url": "https://git.kernel.org/stable/c/3d33de353b1ff9023d5ec73b9becf80ea87af695"}], "title": "dmaengine: idxd: Fix not releasing workqueue on .release()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Fix not releasing workqueue on .release()\n\nThe workqueue associated with an DSA/IAA device is not released when\nthe object is freed."}], "id": "CVE-2026-43064", "lastModified": "2026-05-06T13:08:07.970", "metrics": {}, "published": "2026-05-05T16:16:15.567", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2bb9e9e93adff9cc8a138ae9a3a8d59b3452272e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3d33de353b1ff9023d5ec73b9becf80ea87af695"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/958e96533ddbd1edd127feb7624a7eed0cc379dc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d02c24af126dee45247dc7890409c86d1831859d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fc34f199eb576b3a73089452fdf0056cc9a9301d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fd4cb61bbd0fc3a749a8da6145cbb56d8f6dba35"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: dmaengine: idxd: Fix not releasing workqueue on .release()", "id": "2466793", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2466793"}, "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"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's dmaengine IDXD driver. The workqueue associated with a Data Streaming Accelerator (DSA) or In-Memory Analytics Accelerator (IAA) device is not properly released when the object is freed. This resource leak may lead to a denial of service."], "name": "CVE-2026-43064", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43064\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43064\nhttps://lore.kernel.org/linux-cve-announce/2026050531-CVE-2026-43064-4a91@gregkh/T"], "threat_severity": "Moderate"}