{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-74487",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-15T05:44:03.905Z",
        "datePublished": "2026-08-15T12:27:18.236Z",
        "dateUpdated": "2026-08-23T12:47:26.657Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-23T12:47:26.657Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinfmt_misc: restore write access when removing an entry\n\nRegistering an entry with the MISC_FMT_OPEN_FILE flag opens the\ninterpreter via open_exec() which denies write access to it for as\nlong as the entry exists. Removing the entry closes the interpreter\nfile via filp_close() but never restores write access, leaving the\ninode's i_writecount permanently negative. Opening the interpreter\nfor writing keeps failing with ETXTBSY long after the entry is gone\nuntil the inode is evicted from the inode cache.\n\nCommit 90f601b497d7 (\"binfmt_misc: restore write access before\nclosing files opened by open_exec()\") fixed the same imbalance in the\nerror path of bm_register_write() but the actual removal path has\nbeen leaking the write denial since the introduction of the flag.\n\nRestore write access in put_binfmt_handler() before closing the\ninterpreter file."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/binfmt_misc.c"
                    ],
                    "versions": [
                        {
                            "version": "948b701a607f123df92ed29084413e5dd8cda2ed",
                            "lessThan": "7873f987213695e3564c8c259e6db283e4739472",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "948b701a607f123df92ed29084413e5dd8cda2ed",
                            "lessThan": "13efc628fdf641d901bdba07caa1c558e1bed046",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "948b701a607f123df92ed29084413e5dd8cda2ed",
                            "lessThan": "f1cf67f6be0babc73afa4ee0e27bdedffeeeb095",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "948b701a607f123df92ed29084413e5dd8cda2ed",
                            "lessThan": "dd9ba32169e73a3c3ba595cf1de1f4c69ceafb3c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "948b701a607f123df92ed29084413e5dd8cda2ed",
                            "lessThan": "a50296cca2a1db9d8d21051e7d50f0cf3a4b7ec8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "948b701a607f123df92ed29084413e5dd8cda2ed",
                            "lessThan": "fdc1d702bf3001586221fa07e598e876a0a854c5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "948b701a607f123df92ed29084413e5dd8cda2ed",
                            "lessThan": "3b522487a3a9162b1b519eefde7998d103e3e07b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "948b701a607f123df92ed29084413e5dd8cda2ed",
                            "lessThan": "db1856ea9196cf6e015d12199a34c0b9313c7bfa",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/binfmt_misc.c"
                    ],
                    "versions": [
                        {
                            "version": "4.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.266",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.217",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.184",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.153",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.105",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.44",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.8",
                            "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": "4.8",
                                    "versionEndExcluding": "5.10.266"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "5.15.217"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "6.1.184"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "6.6.153"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "6.12.105"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "6.18.44"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "7.1.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7873f987213695e3564c8c259e6db283e4739472"
                },
                {
                    "url": "https://git.kernel.org/stable/c/13efc628fdf641d901bdba07caa1c558e1bed046"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f1cf67f6be0babc73afa4ee0e27bdedffeeeb095"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dd9ba32169e73a3c3ba595cf1de1f4c69ceafb3c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a50296cca2a1db9d8d21051e7d50f0cf3a4b7ec8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fdc1d702bf3001586221fa07e598e876a0a854c5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3b522487a3a9162b1b519eefde7998d103e3e07b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/db1856ea9196cf6e015d12199a34c0b9313c7bfa"
                }
            ],
            "title": "binfmt_misc: restore write access when removing an entry",
            "x_generator": {
                "engine": "bippy-1.2.0"
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}