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bpf, sockmap: Fix cork use-after-free in tcp_bpf_sendmsg()

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-68284

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_bpf.c"
                    ],
                    "versions": [
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "0688e6fe599d2d39147ae9ece97944c6e1815ebf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "b2bcbeabfd843d47468fa095b1bd08ddb90cf616",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "54be47e7cbb936429c3bbdfc526ea943954aaf80",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "ee762f684eefa59de34d9ed93cab08336e834f47",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "cde4d6bcd9b73073c66498f6723c7b364c4dbc18",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "786d690257ec7a0c839f8710456e444ce3f1348b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "752b1159ed5d0c48fe169a3721b96660a9822aa1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "2d66a033864e27ab8d5e44cb36f31d9d2413bee4",
                            "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_bpf.c"
                    ],
                    "versions": [
                        {
                            "version": "4.20",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.20",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.148",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.101",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.42",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.6",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

ChangeIntel

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Sources read 8 Nov 15:15 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current