CVE-2026-64020: nvme-pci: fix dma_vecs leak on p2p memory
In the Linux kernel, the following vulnerability has been resolved:
nvme-pci: fix dmavecs leak on p2p memory
We don't unmap P2P memory, so we don't need to track it. The dmavec allocation was getting leaked on the completion.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-64020?
CVE-2026-64020 has a severity rating of 13, indicating a significant security risk.
How do I fix CVE-2026-64020?
To fix CVE-2026-64020, update to the latest version of the Linux kernel where the vulnerability has been resolved.
What type of vulnerability is CVE-2026-64020?
CVE-2026-64020 is a memory management vulnerability related to dma_vecs leaking on peer-to-peer (p2p) memory in the Linux kernel.
Who is affected by CVE-2026-64020?
CVE-2026-64020 affects systems running the affected versions of the Linux kernel that utilize nvme-pci for memory management.
What is the impact of exploiting CVE-2026-64020?
Exploiting CVE-2026-64020 could lead to a memory leak, potentially resulting in degraded performance or stability issues in the affected Linux kernel environment.