{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98388",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.346Z",
        "datePublished": "2026-10-14T13:25:52.117Z",
        "dateUpdated": "2026-10-19T09:18:39.224Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:18:39.224Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nexec: do_close_on_exec() before taking exec_update_lock\n\ndo_close_on_exec() currently happens while holding the exec_update_lock,\nwhich is used in a lot of places that access process state to\nsynchronize access checks.\nI recently added another such use of exec_update_lock, causing a\nregression.\n\ndo_close_on_exec() can block waiting for a reply from a filesystem.\nThat means a hung filesystem can block codepaths that use\nexec_update_lock; and it also means that a FUSE filesystem which\nattempts to inspect the calling process can deadlock.\n\nTo avoid such problems, move do_close_on_exec() before the\nexec_update_lock is taken, but after the FD table has been copied if\nnecessary.\n\nI have looked through all the calls between the old and new position of\nthe do_close_on_exec() call; there seems to be no file descriptor table\naccess in between."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/exec.c"
                    ],
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                            "status": "affected",
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                            "lessThan": "550feab5b01000ab314868b62211fb3ddfd600e8",
                            "status": "affected",
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                        },
                        {
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                            "lessThan": "5aacc19ba2b1faf84c4a2f2cf9a1784e03d1ff38",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7456ae990a9738962b33146916fabca62ae3d4e0",
                            "lessThan": "3feb4020bfb7ccf0d347f27051639d25e19cd65d",
                            "status": "affected",
                            "versionType": "git"
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                            "lessThan": "0d86cd6b709c39216e6ee5ea8f0fc4242bbb2b53",
                            "status": "affected",
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                        },
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                            "lessThan": "19ddef61ee0a49782a60f8f497e50597ad5de2da",
                            "status": "affected",
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                            "lessThan": "e780259b54e618ceb4763fbc21314acf3565e813",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c1cfd63326f5d09999134e9052c353faf738286e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.261",
                            "lessThan": "5.10.271",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThan": "5.15.222",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThan": "6.1.189",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThan": "6.6.158",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThan": "6.12.111",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThan": "6.18.53",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.4",
                            "lessThan": "7.2",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/exec.c"
                    ],
                    "versions": [
                        {
                            "version": "7.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "7.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
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                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
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                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.7",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
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                            "negate": false,
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/955973fff4a36d39a848b00cac1706863f568fe1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/550feab5b01000ab314868b62211fb3ddfd600e8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5aacc19ba2b1faf84c4a2f2cf9a1784e03d1ff38"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3feb4020bfb7ccf0d347f27051639d25e19cd65d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0d86cd6b709c39216e6ee5ea8f0fc4242bbb2b53"
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                {
                    "url": "https://git.kernel.org/stable/c/19ddef61ee0a49782a60f8f497e50597ad5de2da"
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                    "url": "https://git.kernel.org/stable/c/63be3d8511bdafa095cd14a393cbf3c58dbbb928"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e780259b54e618ceb4763fbc21314acf3565e813"
                }
            ],
            "title": "exec: do_close_on_exec() before taking exec_update_lock",
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