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Bluetooth: SMP: derive legacy responder STK authentication from MITM state

cve-program · CVE-2026-31773

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/bluetooth/smp.c"
                    ],
                    "versions": [
                        {
                            "version": "fff3490f47810e2d34b91fb9e31103e923b11c2f",
                            "lessThan": "9a38659a3d06080715691bd3139f9c4b61f688e3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fff3490f47810e2d34b91fb9e31103e923b11c2f",
                            "lessThan": "667f44f1392df6482483756458c48670e579e9ff",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fff3490f47810e2d34b91fb9e31103e923b11c2f",
                            "lessThan": "929db734d12db41ca5f95424db4612397f1bd4a7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fff3490f47810e2d34b91fb9e31103e923b11c2f",
                            "lessThan": "b1c6a8e554a39b222c0879a288ea98e338fc4d77",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fff3490f47810e2d34b91fb9e31103e923b11c2f",
                            "lessThan": "0afc846bd80073ffcd2b8040f2b2fafaea3d9f72",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fff3490f47810e2d34b91fb9e31103e923b11c2f",
                            "lessThan": "061ee71ac6b03c9f8432fe49538c3682bfcf4cf3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fff3490f47810e2d34b91fb9e31103e923b11c2f",
                            "lessThan": "9a6d0db176f082685e0b6149700c0baf3ce2aa8b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fff3490f47810e2d34b91fb9e31103e923b11c2f",
                            "lessThan": "20756fec2f0108cb88e815941f1ffff88dc286fe",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "14ec593d6bb050cf40a4ade2f9ac9ca050e0412c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3.15.5",
                            "lessThan": "3.16",
                            "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/bluetooth/smp.c"
                    ],
                    "versions": [
                        {
                            "version": "3.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.253",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.168",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.134",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.81",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.22",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.12",
                            "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

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