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net/sched: act_ct: fix sk_buff leak when the header checks reject a packet

cve-program · CVE-2026-74621

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/sched/act_ct.c"
                    ],
                    "versions": [
                        {
                            "version": "172ba7d46c202e679f3ccb10264c67416aaeb1c4",
                            "lessThan": "b5dbecc2016e1692fd1c2532af9c41ba729cb747",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0b5b831122fc3789fff75be433ba3e4dd7b779d4",
                            "lessThan": "23e97d594ddd0153020c506d5041048fbde1beb4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "73f7da5fd124f2cda9161e2e46114915e6e82e97",
                            "lessThan": "737873a59905a54ca0d2d127ef882f3f88bf4379",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f14b377d01d8357eba032b4cabc8c1149b458b6",
                            "lessThan": "47d99828591d0fe8be4b9c8992ff3b8e47968db9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f14b377d01d8357eba032b4cabc8c1149b458b6",
                            "lessThan": "b47bb899e04b5407c5a63fe88d4b6676586a6e84",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f14b377d01d8357eba032b4cabc8c1149b458b6",
                            "lessThan": "439d3e404f9d5e515911cc8132cde198b337c19e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3f14b377d01d8357eba032b4cabc8c1149b458b6",
                            "lessThan": "8a7ed561671aa6a911a2de99e59ef670a4d0b1df",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f5346df0591d10bc948761ca854b1fae6d2ef441",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.15.148",
                            "lessThan": "5.15.217",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.75",
                            "lessThan": "6.1.184",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.14",
                            "lessThan": "6.6.152",
                            "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": [
                        "net/sched/act_ct.c"
                    ],
                    "versions": [
                        {
                            "version": "6.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.217",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.184",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.152",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.104",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.45",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.9",
                            "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

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Sources read 9 Nov 08:42 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current