CVE-2026-98374Published

tcp: fix use-after-free of retransmit_skb_hint in tcp_send_synack()

Exact source revision recorded 24 Oct 2026 16:17:04 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-98374

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_output.c"
                    ],
                    "versions": [
                        {
                            "version": "c31b70c9968fe9c4194d1b5d06d07596a3b680de",
                            "lessThan": "fad6d429651e748365e93ca54645accc212f0018",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c31b70c9968fe9c4194d1b5d06d07596a3b680de",
                            "lessThan": "c5b4da1f403a658c1c19766be2b426003ada419f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c31b70c9968fe9c4194d1b5d06d07596a3b680de",
                            "lessThan": "71d45049b0d631dfdbf3c65305f7fca676de023b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c31b70c9968fe9c4194d1b5d06d07596a3b680de",
                            "lessThan": "e3ea71cb1408a013ed4e8a757b815f1a919324bd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c31b70c9968fe9c4194d1b5d06d07596a3b680de",
                            "lessThan": "631aa4cb45099f09e9385dd786bd291c6270bfc4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c31b70c9968fe9c4194d1b5d06d07596a3b680de",
                            "lessThan": "0f87720c7e4bcab07c24888b3cf12bfe857bb90e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c31b70c9968fe9c4194d1b5d06d07596a3b680de",
                            "lessThan": "fe99bbeee5c5dbd3abc30721a8079ced59649d97",
                            "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_output.c"
                    ],
                    "versions": [
                        {
                            "version": "5.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.55",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.9",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }