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vsock/vmci: fix UAF when peer resets connection during handshake

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-64115

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/vmw_vsock/vmci_transport.c"
                    ],
                    "versions": [
                        {
                            "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
                            "lessThan": "1e19f08552b90070ed18bafb1763c78297823af6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
                            "lessThan": "1dd531e28f61edd286edc486ab068f135b5ae1eb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
                            "lessThan": "ecda37f8faab3220da199335e42564cb7a9ad145",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
                            "lessThan": "cc27e989a5dfdfcfc1cca7c3be27a0c7532b46cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
                            "lessThan": "47e63077605c6c2aa45b3df9847a8cdc1f1f6ef9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
                            "lessThan": "440447699c681e26ed58e9c309cad718270a18b4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
                            "lessThan": "9fe74e42914c851d68069713b7b917a9c33faf26",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d021c344051af91f42c5ba9fdedc176740cbd238",
                            "lessThan": "99e22ddf4edb63dc8382bc028af928056d3450cf",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/vmw_vsock/vmci_transport.c"
                    ],
                    "versions": [
                        {
                            "version": "3.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.142",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.92",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.34",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.11",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 8 Nov 18:59 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current