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net: openvswitch: reject oversized nested action attrs

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-2026-64531

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/openvswitch/flow_netlink.c"
                    ],
                    "versions": [
                        {
                            "version": "057dbc5b72e9fcac439cd561c3a539b8a0edeb92",
                            "lessThan": "ab855641241387db062a5e41d9ad6b8561542572",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2532adbfe917c0e71dba2650ffc6efe396314c87",
                            "lessThan": "c66bd2626c2764f23764ff0f8277f44a9cfe8349",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4b1a0ee6164c7204c68ab5a9c48c07bfe8852485",
                            "lessThan": "d573250d228401f707f4dbc09d11227a6215ee5f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e6610f9c08b4c04cf7949c10fc246c071d00e935",
                            "lessThan": "f1efff8858403191361a01269c6fe8dd7f55a385",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a1e64addf3ff9257b45b78bc7d743781c3f41340",
                            "lessThan": "dbd14f736be02cfe73049bd801af89becd1a0749",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a1e64addf3ff9257b45b78bc7d743781c3f41340",
                            "lessThan": "1b41cbe05b184f8861712f0806cc0c4f5d8c6dfe",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a1e64addf3ff9257b45b78bc7d743781c3f41340",
                            "lessThan": "3f1f755366687d051174739fb99f7d560202f60b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6b099d285d7ed324494b6d684f377aa103856118",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.15.180",
                            "lessThan": "5.15.212",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.132",
                            "lessThan": "6.1.178",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.84",
                            "lessThan": "6.6.145",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.20",
                            "lessThan": "6.12.97",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.8",
                            "lessThan": "6.14",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

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/openvswitch/flow_netlink.c"
                    ],
                    "versions": [
                        {
                            "version": "6.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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 16:17 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current