CVE-2026-99281Published

tun: Require CAP_NET_ADMIN to attach to an ownerless device

Exact source revision recorded 7 Nov 2026 16:07:43 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-99281

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": [
                        "drivers/net/tun.c"
                    ],
                    "versions": [
                        {
                            "version": "ca6bb5d7ab22ac79f608fe6cbc6b12de6a5a19f0",
                            "lessThan": "2f92c0286cfd58bff9d6d54c01a771073d5eb775",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ca6bb5d7ab22ac79f608fe6cbc6b12de6a5a19f0",
                            "lessThan": "e53d1cf05da8ea58a5743b7ce5894fb51b0b9700",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ca6bb5d7ab22ac79f608fe6cbc6b12de6a5a19f0",
                            "lessThan": "ffdf678dd16610e3f006dac904bd37c09684673c",
                            "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": [
                        "drivers/net/tun.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.61",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3.2",
                            "lessThanOrEqual": "7.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.4-rc1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON