{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-64553",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T15:36:31.796Z",
        "datePublished": "2026-07-27T20:10:41.159Z",
        "dateUpdated": "2026-08-17T04:57:30.953Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T04:57:30.953Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: psample: fix info leak in PSAMPLE_ATTR_DATA\n\npsample open codes nla_put() presumably to avoid wiping\nthe data with 0s just to override it with packet data.\nThis open coding is missing clearing the pad, however,\neach netlink attr is padded to 4B and data_len may\nnot be divisible by 4B."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/psample/psample.c"
                    ],
                    "versions": [
                        {
                            "version": "6ae0a6286171154661b74f7f550f9441c6008424",
                            "lessThan": "0d3ea2ccddda442077fc44f11d873209c97ec50b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6ae0a6286171154661b74f7f550f9441c6008424",
                            "lessThan": "7fe7e6949964aa8ee6305f09db2dc9eede977bb3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6ae0a6286171154661b74f7f550f9441c6008424",
                            "lessThan": "e2fa322782a2d7d8078f7bb20817e0aa9f7c32e9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6ae0a6286171154661b74f7f550f9441c6008424",
                            "lessThan": "befe1ebe7fc2c65c80074bc34ceeb0a721ed3cd2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6ae0a6286171154661b74f7f550f9441c6008424",
                            "lessThan": "48930f6c59fd0056c2de46ce52bfe27d9c9e5eb6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6ae0a6286171154661b74f7f550f9441c6008424",
                            "lessThan": "a6cfb924ad74efce254e99c197d2e3863de70868",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6ae0a6286171154661b74f7f550f9441c6008424",
                            "lessThan": "794a0d8bdbb39e083ed42caccb86d687a9b53570",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6ae0a6286171154661b74f7f550f9441c6008424",
                            "lessThan": "aedd02af1f8b0bceb7f42f5a21c41634ca9ed390",
                            "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/psample/psample.c"
                    ],
                    "versions": [
                        {
                            "version": "4.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "4.11",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.11",
                                    "versionEndExcluding": "5.15.212"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.11",
                                    "versionEndExcluding": "6.1.178"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.11",
                                    "versionEndExcluding": "6.6.145"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.11",
                                    "versionEndExcluding": "6.12.97"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.11",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.11",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.11",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0d3ea2ccddda442077fc44f11d873209c97ec50b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7fe7e6949964aa8ee6305f09db2dc9eede977bb3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e2fa322782a2d7d8078f7bb20817e0aa9f7c32e9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/befe1ebe7fc2c65c80074bc34ceeb0a721ed3cd2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/48930f6c59fd0056c2de46ce52bfe27d9c9e5eb6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a6cfb924ad74efce254e99c197d2e3863de70868"
                },
                {
                    "url": "https://git.kernel.org/stable/c/794a0d8bdbb39e083ed42caccb86d687a9b53570"
                },
                {
                    "url": "https://git.kernel.org/stable/c/aedd02af1f8b0bceb7f42f5a21c41634ca9ed390"
                }
            ],
            "title": "net: psample: fix info leak in PSAMPLE_ATTR_DATA",
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    }
}