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netfilter: nft_tunnel: fix use-after-free on object destroy

cve-program · CVE-2026-53212

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/netfilter/nft_tunnel.c"
                    ],
                    "versions": [
                        {
                            "version": "af308b94a2a4a5a27bec9028354c4df444a7c8ba",
                            "lessThan": "349df61526d2e39decc685d246202e3e284cfe05",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "af308b94a2a4a5a27bec9028354c4df444a7c8ba",
                            "lessThan": "55b79b1ae42372012413ce0413181d26679b17ef",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "af308b94a2a4a5a27bec9028354c4df444a7c8ba",
                            "lessThan": "5e9ee18b27fde88cb6148202b33916c66693fe82",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "af308b94a2a4a5a27bec9028354c4df444a7c8ba",
                            "lessThan": "8767fe4079affa74314d7eb3220e700150289842",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "af308b94a2a4a5a27bec9028354c4df444a7c8ba",
                            "lessThan": "fda6573a46ad24f35348e024905ee5bdf729797e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "af308b94a2a4a5a27bec9028354c4df444a7c8ba",
                            "lessThan": "941d7394efda5e054e2d6f3e0dd0f6a9ba19aaa3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "af308b94a2a4a5a27bec9028354c4df444a7c8ba",
                            "lessThan": "f9a0e4b61054cde89a2a77845293c726cc07cc43",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "af308b94a2a4a5a27bec9028354c4df444a7c8ba",
                            "lessThan": "c32b26aaa2f9216520a38b3f4bfeec846eb3eb8a",
                            "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/netfilter/nft_tunnel.c"
                    ],
                    "versions": [
                        {
                            "version": "4.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.259",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.176",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.143",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.94",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.36",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.13",
                            "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

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