{"id":"CVE-2026-43064","title":"dmaengine: idxd: Fix not releasing workqueue on .release()","summary":"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.","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < 70ae35be58d476e2fd9f7a941a5e03b2f5fadb8d","Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < b22fd53b2ceb35445475f0edab13a908c5fb8433","Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < 2bb9e9e93adff9cc8a138ae9a3a8d59b3452272e","Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < d02c24af126dee45247dc7890409c86d1831859d","Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < 958e96533ddbd1edd127feb7624a7eed0cc379dc","Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < fc34f199eb576b3a73089452fdf0056cc9a9301d","Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < 3d33de353b1ff9023d5ec73b9becf80ea87af695","Linux 3f0e87eb9680975184e98aed0e8866b4442a31f6","Linux a13e4cf29da68630a116c1309072a265ade9566d","Linux >= 5.11.22 < 5.12","Linux >= 5.12.5 < 5.13","Linux 5.13"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T15:27:42.454015Z"},"published":"2026-05-05","updated":"2026-11-06","sourceUpdated":"2026-11-06T15:32:29.418Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43064","references":[{"url":"https://git.kernel.org/stable/c/70ae35be58d476e2fd9f7a941a5e03b2f5fadb8d"},{"url":"https://git.kernel.org/stable/c/b22fd53b2ceb35445475f0edab13a908c5fb8433"},{"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"}],"tags":["cve.org"],"epss":0.00114,"epssPercentile":0.01495,"ingestedAt":"2026-11-06T15:54:04.027Z","slug":"CVE-2026-43064","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < 70ae35be58d476e2fd9f7a941a5e03b2f5fadb8d`\n- `Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < b22fd53b2ceb35445475f0edab13a908c5fb8433`\n- `Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < 2bb9e9e93adff9cc8a138ae9a3a8d59b3452272e`\n- `Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < d02c24af126dee45247dc7890409c86d1831859d`\n- `Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < 958e96533ddbd1edd127feb7624a7eed0cc379dc`\n- `Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < fc34f199eb576b3a73089452fdf0056cc9a9301d`\n- `Linux >= 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 < 3d33de353b1ff9023d5ec73b9becf80ea87af695`\n- `Linux 3f0e87eb9680975184e98aed0e8866b4442a31f6`\n- `Linux a13e4cf29da68630a116c1309072a265ade9566d`\n- `Linux >= 5.11.22 < 5.12`\n- `Linux >= 5.12.5 < 5.13`\n- `Linux 5.13`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}