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xfrm: fix xfrm_state_construct() auth-trunc leak

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-2026-80843

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/xfrm/xfrm_user.c"
                    ],
                    "versions": [
                        {
                            "version": "4447bb33f09444920a8f1d89e1540137429351b6",
                            "lessThan": "958ae9f261319e1cdc44879886bcda2263258cca",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4447bb33f09444920a8f1d89e1540137429351b6",
                            "lessThan": "fb7f3e74789a3c89647f4eb768f6dfaf4a751e72",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4447bb33f09444920a8f1d89e1540137429351b6",
                            "lessThan": "ba0c110c205855b3f1e3130d8c0fdb484d704c8c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4447bb33f09444920a8f1d89e1540137429351b6",
                            "lessThan": "c8837bbe792257af547fd1c0252553ce13148795",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4447bb33f09444920a8f1d89e1540137429351b6",
                            "lessThan": "71d42da01740ec6557837bebec0bc48cfc3b4c39",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4447bb33f09444920a8f1d89e1540137429351b6",
                            "lessThan": "cf67361e78dca488d6e4df8396a53e6745a3a80e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4447bb33f09444920a8f1d89e1540137429351b6",
                            "lessThan": "37426395cb90ef217beec8407a14bd82153793d3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4447bb33f09444920a8f1d89e1540137429351b6",
                            "lessThan": "be19d20e53a239572bb2a28efcc1cd2b069b1ef9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4447bb33f09444920a8f1d89e1540137429351b6",
                            "lessThan": "c12cbf56320fb633484ee0ca1fb7d68d6b64b213",
                            "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/xfrm/xfrm_user.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.33",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.33",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.269",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.220",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.187",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.156",
                            "lessThanOrEqual": "6.6.*",
                            "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

ChangeIntel

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Sources read 9 Nov 05:32 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current