{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-74646",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-15T05:44:03.923Z",
        "datePublished": "2026-08-22T15:32:23.378Z",
        "dateUpdated": "2026-08-22T15:32:23.378Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-22T15:32:23.378Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: take fl->lock when moving mmaps on interrupted invoke\n\nWhen an invoke is interrupted by a signal,\nwait_for_completion_interruptible() returns -ERESTARTSYS and\nfastrpc_internal_invoke() moves every buffer from fl->mmaps onto\ncctx->invoke_interrupted_mmaps. This list_del()/list_add_tail() walk\nruns without holding fl->lock, the lock that serialises fl->mmaps in\nfastrpc_req_mmap() and fastrpc_req_munmap() everywhere else.\n\nTake fl->lock around the move, matching every other fl->mmaps accessor."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/misc/fastrpc.c"
                    ],
                    "versions": [
                        {
                            "version": "76e8e4ace1ed2c97dba3b1370e0e105e07c572bc",
                            "lessThan": "3f265e405e5ef85030c3777262e18bb556bc8724",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "76e8e4ace1ed2c97dba3b1370e0e105e07c572bc",
                            "lessThan": "a902fe1f80f58a2335b6be1131866f827ec44d1a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "76e8e4ace1ed2c97dba3b1370e0e105e07c572bc",
                            "lessThan": "af6345159abcbaa550518f31990d2a9558c2d369",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "76e8e4ace1ed2c97dba3b1370e0e105e07c572bc",
                            "lessThan": "efd02f8d1a7449f15809bc18d3cd41aafea75d7e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "76e8e4ace1ed2c97dba3b1370e0e105e07c572bc",
                            "lessThan": "b85a0e91d7d6cd06a53c881a46f749cfcef416a2",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/misc/fastrpc.c"
                    ],
                    "versions": [
                        {
                            "version": "6.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.152",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.104",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.45",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.9",
                            "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": "6.2",
                                    "versionEndExcluding": "6.6.152"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.12.104"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.18.45"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "7.1.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3f265e405e5ef85030c3777262e18bb556bc8724"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a902fe1f80f58a2335b6be1131866f827ec44d1a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/af6345159abcbaa550518f31990d2a9558c2d369"
                },
                {
                    "url": "https://git.kernel.org/stable/c/efd02f8d1a7449f15809bc18d3cd41aafea75d7e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b85a0e91d7d6cd06a53c881a46f749cfcef416a2"
                }
            ],
            "title": "misc: fastrpc: take fl->lock when moving mmaps on interrupted invoke",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}