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net/tcp-ao: fix use-after-free of current_key on reconnect to another peer

cve-program · CVE-2026-80849

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/ipv4/tcp_ao.c"
                    ],
                    "versions": [
                        {
                            "version": "0a3a809089eb1d4a0a2fd0c16b520d603988c859",
                            "lessThan": "84a93b4e012587d0a4a84ffb23ec6da18e9d85f9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a3a809089eb1d4a0a2fd0c16b520d603988c859",
                            "lessThan": "73fde8fe4469f4ed8f0afcc0b9d6413002a9e6b3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a3a809089eb1d4a0a2fd0c16b520d603988c859",
                            "lessThan": "e54ad693eddb40c595add013f545354c538e325b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a3a809089eb1d4a0a2fd0c16b520d603988c859",
                            "lessThan": "2857dcbd03cf3354af0fba1b65c6a260fb43811a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a3a809089eb1d4a0a2fd0c16b520d603988c859",
                            "lessThan": "da4471557f279d0f56605158a625bb6e49ef7d41",
                            "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/ipv4/tcp_ao.c"
                    ],
                    "versions": [
                        {
                            "version": "6.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.108",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.49",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.13",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.3",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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 05:32 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current