CVE-2026-99138Published

tcp: fix use-after-free in do_tcp_getsockopt(TCP_CC_INFO)

Exact source revision recorded 28 Oct 2026 11:27:43 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-99138

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.c",
                        "net/ipv4/tcp_dctcp.c"
                    ],
                    "versions": [
                        {
                            "version": "0baf26b0fcd74bbfcef53c5d5e8bad2b99c8d0d2",
                            "lessThan": "86814e5370068ec2bf0caa6e6d55c3e5bfc6c324",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0baf26b0fcd74bbfcef53c5d5e8bad2b99c8d0d2",
                            "lessThan": "39aa489e85752f9de214edb0f85e4d578e57af29",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0baf26b0fcd74bbfcef53c5d5e8bad2b99c8d0d2",
                            "lessThan": "385e474086c2e7e29e2dded690be40dc273e20ee",
                            "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.c",
                        "net/ipv4/tcp_dctcp.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.59",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.13",
                            "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