CVE-2026-64020

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{}

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{"bugzilla": {"description": "kernel: nvme-pci: fix dma_vecs leak on p2p memory", "id": "2502337", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502337"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nnvme-pci: fix dma_vecs leak on p2p memory\nWe don't unmap P2P memory, so we don't need to track it. The dma_vec\nallocation was getting leaked on the completion.", "A flaw was found in the Linux kernel's nvme-pci driver. This vulnerability occurs due to improper handling of peer-to-peer (P2P) memory, where dma_vec allocations are not correctly unmapped. This oversight leads to a memory leak, which can degrade system performance and potentially lead to a denial of service over an extended period."], "name": "CVE-2026-64020", "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": "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": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64020\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64020\nhttps://lore.kernel.org/linux-cve-announce/2026071901-CVE-2026-64020-1e8e@gregkh/T"], "threat_severity": "Low"}

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