{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cleanup/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*"],"_cs_cves":[{"cvss":5.5,"id":"CVE-2025-37877"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":[],"_cs_severities":["medium"],"_cs_tags":["vulnerability","iommu","cleanup"],"_cs_type":"advisory","_cs_vendors":["Microsoft"],"content_html":"\u003cp\u003eCVE-2025-37877 is a vulnerability related to the Input/Output Memory Management Unit (IOMMU) within Microsoft products. The vulnerability stems from a failure to properly clear iommu-dma operations during cleanup, potentially leading to resource management issues or unexpected behavior. This could be exploited to cause a denial-of-service or potentially gain unauthorized access, depending on the specific implementation and affected components. The vulnerability requires a specifically crafted input or condition to trigger the improper cleanup sequence. Successful exploitation could destabilize the system or expose sensitive data.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker gains initial access to the system (details unspecified in source).\u003c/li\u003e\n\u003cli\u003eThe attacker triggers a specific operation that utilizes the IOMMU.\u003c/li\u003e\n\u003cli\u003eThe IOMMU processes the request, allocating resources for DMA operations.\u003c/li\u003e\n\u003cli\u003eThe initial operation completes or is terminated abnormally.\u003c/li\u003e\n\u003cli\u003eThe cleanup routine for the IOMMU fails to properly clear the iommu-dma operations.\u003c/li\u003e\n\u003cli\u003eSubsequent IOMMU operations may be affected by the uncleared state.\u003c/li\u003e\n\u003cli\u003eAn attacker exploits the lingering state to cause a denial-of-service by exhausting resources.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2025-37877 can lead to denial-of-service conditions due to resource exhaustion or system instability. The number of potential victims is broad, affecting systems that utilize the vulnerable IOMMU implementation. The primary impact involves the interruption of services and potential data loss or corruption, depending on the specific context of the exploitation.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the security update released by Microsoft to patch CVE-2025-37877 as soon as possible, as referenced in the advisory.\u003c/li\u003e\n\u003cli\u003eMonitor systems for unexpected IOMMU-related errors or resource exhaustion, which could indicate exploitation attempts.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-11T07:50:31Z","date_published":"2026-05-11T07:50:31Z","id":"https://feed.craftedsignal.io/briefs/2026-05-cve-2025-37877-iommu/","summary":"CVE-2025-37877 is a vulnerability in the iommu component requiring proper cleanup, affecting Microsoft products.","title":"CVE-2025-37877 iommu: Clear iommu-dma ops on cleanup","url":"https://feed.craftedsignal.io/briefs/2026-05-cve-2025-37877-iommu/"}],"language":"en","title":"CraftedSignal Threat Feed — Cleanup","version":"https://jsonfeed.org/version/1.1"}