{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23302",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.993Z",
        "datePublished": "2026-03-25T10:26:57.470Z",
        "dateUpdated": "2026-07-04T11:50:29.536Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-04T11:50:29.536Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: annotate data-races around sk->sk_{data_ready,write_space}\n\nskmsg (and probably other layers) are changing these pointers\nwhile other cpus might read them concurrently.\n\nAdd corresponding READ_ONCE()/WRITE_ONCE() annotations\nfor UDP, TCP and AF_UNIX."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/core/skmsg.c",
                        "net/ipv4/tcp.c",
                        "net/ipv4/tcp_bpf.c",
                        "net/ipv4/tcp_input.c",
                        "net/ipv4/tcp_minisocks.c",
                        "net/ipv4/udp.c",
                        "net/ipv4/udp_bpf.c",
                        "net/unix/af_unix.c"
                    ],
                    "versions": [
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "279f2b67d1c44ee139bd3fdb221850daa9358449",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "7ad01905831c815520f1b0486336a03bb7420465",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "c494448bb522bbbb63096540eb2319101a0480ab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "f17c1c4acbe2bd702abce73a847a04a196fab2c5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "27fccdbcbbfc4651b6f66756e6fa3f52e051ec23",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
                            "lessThan": "2ef2b20cf4e04ac8a6ba68493f8780776ff84300",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/core/skmsg.c",
                        "net/ipv4/tcp.c",
                        "net/ipv4/tcp_bpf.c",
                        "net/ipv4/tcp_input.c",
                        "net/ipv4/tcp_minisocks.c",
                        "net/ipv4/udp.c",
                        "net/ipv4/udp_bpf.c",
                        "net/unix/af_unix.c"
                    ],
                    "versions": [
                        {
                            "version": "4.20",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.20",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.177",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.136",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.82",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.17",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.7",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.1.177"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.6.136"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.12.82"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.18.17"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.19.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/279f2b67d1c44ee139bd3fdb221850daa9358449"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7ad01905831c815520f1b0486336a03bb7420465"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c494448bb522bbbb63096540eb2319101a0480ab"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f17c1c4acbe2bd702abce73a847a04a196fab2c5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/27fccdbcbbfc4651b6f66756e6fa3f52e051ec23"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2ef2b20cf4e04ac8a6ba68493f8780776ff84300"
                }
            ],
            "title": "net: annotate data-races around sk->sk_{data_ready,write_space}",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}