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Bluetooth: L2CAP: Fix missing key size check for L2CAP_LE_CONN_REQ

cve-program · CVE-2026-43134

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/l2cap_core.c"
                    ],
                    "versions": [
                        {
                            "version": "27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d",
                            "lessThan": "335071c0c3637064ec250481f589075db44fe4e6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d",
                            "lessThan": "fa6ad76fa8623c0a50d529cd5726fa5d819a3be4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d",
                            "lessThan": "9118601ff90b79e8df3c0c98f48ae00c1b02ecef",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d",
                            "lessThan": "481ea39b342c347b6ac029f3d418486280be4e45",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d",
                            "lessThan": "ec91078e132179b04e0c3906b599816c056ceaad",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d",
                            "lessThan": "96581749c7c14fbec32c35728520867929600041",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d",
                            "lessThan": "8dd43f9a9323f9c01bc8246da8d81a4c783c9e97",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27e2d4c8d28be1d1b4ecfbffab572d7dbd35254d",
                            "lessThan": "138d7eca445ef37a0333425d269ee59900ca1104",
                            "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/bluetooth/l2cap_core.c"
                    ],
                    "versions": [
                        {
                            "version": "3.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.252",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.202",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.165",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.128",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.75",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.16",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.6",
                            "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 20:02 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current