{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-90385",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.809Z",
        "datePublished": "2026-09-17T16:09:21.198Z",
        "dateUpdated": "2026-10-21T12:51:26.902Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:51:26.902Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1: create serial pool adding rdev to array with serialize_policy=1\n\nThe following bug has been observed with kernel 7.1.3 after adding a new\nrdev to an existing RAID1 array with serialize_policy enabled:\n\n  Oops: 0002 [#1]\n  CPU: 0 UID: 0 PID: 19639 Comm: ext4lazyinit Not tainted 7.1.3-1-default\n  RIP: _raw_spin_lock_irqsave+0x27/0x50\n  CR2: 0000000000004960\n  Call Trace:\n   wait_for_serialization+0xb9/0x260 [raid1]\n   raid1_make_request+0x762/0xaff [raid1]\n   md_handle_request+0x1c9/0x2e0 [md_mod]\n\nThe raid1.c code calls wait_for_serialization() if the MD_SERIALIZE_POLICY\nis set, and wait_for_serialization assumes that rdev->serial is\ninitialized. Normally this will be the case for arrays that have\nthe serialize_policy sysfs attribute set to 1.\n\nBut when a new rdev is added to an existing array in bind_rdev_to_array(),\nthe condition at mddev_create_serial_pool() causes creation of rdev->serial\nto be skipped. Fix it."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/md.c"
                    ],
                    "versions": [
                        {
                            "version": "69b00b5bb23552d43e8bbed73ef6624604bb94a2",
                            "lessThan": "0b187e14dab458d54425fc400f1e1e8d481d9bcf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69b00b5bb23552d43e8bbed73ef6624604bb94a2",
                            "lessThan": "f9e4364449f7ca6917f3599eb32064dba5b7b147",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69b00b5bb23552d43e8bbed73ef6624604bb94a2",
                            "lessThan": "37f11973c3eb72a5eb061082cad529bb6939c24f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69b00b5bb23552d43e8bbed73ef6624604bb94a2",
                            "lessThan": "c02d675e81468003e4f2253b616c53729070d712",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69b00b5bb23552d43e8bbed73ef6624604bb94a2",
                            "lessThan": "140234b2380ffb8ffb0cfc46fee0e822f43adef7",
                            "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/md/md.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.52",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.6",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "5.6",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.12.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.18.52"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "7.2.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0b187e14dab458d54425fc400f1e1e8d481d9bcf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f9e4364449f7ca6917f3599eb32064dba5b7b147"
                },
                {
                    "url": "https://git.kernel.org/stable/c/37f11973c3eb72a5eb061082cad529bb6939c24f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c02d675e81468003e4f2253b616c53729070d712"
                },
                {
                    "url": "https://git.kernel.org/stable/c/140234b2380ffb8ffb0cfc46fee0e822f43adef7"
                }
            ],
            "title": "md/raid1: create serial pool adding rdev to array with serialize_policy=1",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}