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net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks

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-2026-23270

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": [
                        "include/net/act_api.h",
                        "net/sched/act_ct.c",
                        "net/sched/cls_api.c"
                    ],
                    "versions": [
                        {
                            "version": "172ba7d46c202e679f3ccb10264c67416aaeb1c4",
                            "lessThan": "bc4e5bb529823a09f02dbe96169de679a9db26e0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0b5b831122fc3789fff75be433ba3e4dd7b779d4",
                            "lessThan": "fb3c380a54e33d1fd272cc342faa906d787d7ef1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "73f7da5fd124f2cda9161e2e46114915e6e82e97",
                            "lessThan": "5a110ddcc99bda77a28598b3555fe009eaab3828",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f14b377d01d8357eba032b4cabc8c1149b458b6",
                            "lessThan": "524ce8b4ea8f64900b6c52b6a28df74f6bc0801e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f14b377d01d8357eba032b4cabc8c1149b458b6",
                            "lessThan": "380ad8b7c65ea7aa10ef2258297079ed5ac1f5b6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f14b377d01d8357eba032b4cabc8c1149b458b6",
                            "lessThan": "9deda0fcda5c1f388c5e279541850b71a2ccfcf4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f14b377d01d8357eba032b4cabc8c1149b458b6",
                            "lessThan": "11cb63b0d1a0685e0831ae3c77223e002ef18189",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5346df0591d10bc948761ca854b1fae6d2ef441",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.15.148",
                            "lessThan": "5.15.203",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.75",
                            "lessThan": "6.1.167",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.14",
                            "lessThan": "6.6.130",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.7.2",
                            "lessThan": "6.8",
                            "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": [
                        "include/net/act_api.h",
                        "net/sched/act_ct.c",
                        "net/sched/cls_api.c"
                    ],
                    "versions": [
                        {
                            "version": "6.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.167",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.130",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.77",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.18",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.8",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 8 Nov 21:05 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current