{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-53361",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-06-09T07:44:35.400Z",
        "datePublished": "2026-07-04T11:54:52.543Z",
        "dateUpdated": "2026-07-18T07:33:30.463Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-18T07:33:30.463Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: Set gc_in_progress to true in unix_gc().\n\nIgor Ushakov reported that unix_gc() could run with gc_in_progress\nbeing false if the work is scheduled while running:\n\n  Thread 1         Thread 2                     Thread 3\n  --------         --------                     --------\n                   unix_schedule_gc()           unix_schedule_gc()\n                   `- if (!gc_in_progress)      `- if (!gc_in_progress)\n                      |- gc_in_progress = true     |\n                      `- queue_work()              |\n  unix_gc() <----------------/                     |\n  |                                                |- gc_in_progress = true\n  ...                                              `- queue_work()\n  |                                                       |\n  `- gc_in_progress = false                               |\n                                                          |\n  unix_gc() <---------------------------------------------'\n  |\n  ... /* gc_in_progress == false */\n  |\n  `- gc_in_progress = false\n\nunix_peek_fpl() relies on gc_in_progress not to confuse GC\nby MSG_PEEK.\n\nLet's set gc_in_progress to true in unix_gc()."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
                        "baseScore": 7.1,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/unix/garbage.c"
                    ],
                    "versions": [
                        {
                            "version": "328840c93bd6a4871dd10908d01b41eab83eb8e2",
                            "lessThan": "82c17e13d404f686e164590483fd6c1abaa675d0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8b90a9f819dc2a06baae4ec1a64d875e53b824ec",
                            "lessThan": "591f1ac217428a6d2b32a8ac14aac0fab44f155a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8b90a9f819dc2a06baae4ec1a64d875e53b824ec",
                            "lessThan": "0cfa78c050662784fc8e3ab26dbfd1dc632b2082",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8b90a9f819dc2a06baae4ec1a64d875e53b824ec",
                            "lessThan": "d82ba05263c69fa2437fe93e4e561cc40f4c03af",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ceb8bd6c69c1680fd9b45e7f16d7170c9c7513a5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.6.93",
                            "lessThan": "6.6.144",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.141",
                            "lessThan": "6.2",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/unix/garbage.c"
                    ],
                    "versions": [
                        {
                            "version": "6.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.144",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.95",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.38",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "6.6.93",
                                    "versionEndExcluding": "6.6.144"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.9",
                                    "versionEndExcluding": "6.12.95"
                                },
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                                    "versionStartIncluding": "6.1.141"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/82c17e13d404f686e164590483fd6c1abaa675d0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/591f1ac217428a6d2b32a8ac14aac0fab44f155a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0cfa78c050662784fc8e3ab26dbfd1dc632b2082"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d82ba05263c69fa2437fe93e4e561cc40f4c03af"
                }
            ],
            "title": "af_unix: Set gc_in_progress to true in unix_gc().",
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}