CVE-2024-45023

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Hence add such checking to fix the problem.\n\nAlso fix similar problem in choose_slow_rdev()."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable code is the md/raid1 read path, reached by submitting a READ bio to the local md block device \u2014 via a normal file read on a mounted filesystem or a direct block-device read. No remote protocol input is involved.\nAC:L - There is no race, timing window, or memory-layout dependency; once the array is in the ordinary and frequently occurring degraded-plus-rebuilding state (write-mostly member holding valid data, or surviving member with recorded badblocks), every read in the unrecovered range deterministically selects the wrong disk and returns bad data with repeatable success.\nPR:L - No capability or permission check exists anywhere on the raid1_make_request \u2192 raid1_read_request \u2192 read_balance path; any local unprivileged user reading a file on the filesystem backed by the array triggers the faulty disk selection.\nUI:N - No victim action is required \u2014 the recovery state is driven by the kernel's background rebuild, and the corrupt reads occur on the attacker's own I/O as well as on all normal system I/O.\nS:U - The faulty disk selection and its consequences are confined to the md block device and the kernel storage stack, the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - Reads are served from sectors of the replacement member that have not yet been rebuilt, returning that disk's prior contents \u2014 stale blocks from a re-added or repurposed drive that under the current filesystem layout can belong to other users' or root-owned files \u2014 so an unprivileged reader obtains data it is not authorized to see.\nI:H - The array silently returns wrong data instead of valid data or an I/O error, and any read-modify-write above md (filesystem metadata, journal, sub-block or database updates) writes that garbage back, after which raid1_write_request() mirrors it to all members and the corruption becomes permanent and unrecoverable.\nA:H - Corrupted metadata delivered to the filesystem drives error handling into forced read-only remount, XFS shutdown, or panic on errors=panic, and the persisted corruption destroys the array's data \u2014 loss of availability of the storage and potentially of the ability to boot."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/raid1.c"], "versions": [{"version": "dfa8ecd167c1753d4fc24a517e1d79c603183c94", "lessThan": "2febf5fdbf5d9a52ddc3e986971c8609b1582d67", "status": "affected", "versionType": "git"}, {"version": "dfa8ecd167c1753d4fc24a517e1d79c603183c94", "lessThan": "c916ca35308d3187c9928664f9be249b22a3a701", "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/raid1.c"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.10.7", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11", "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": "6.9", "versionEndExcluding": "6.10.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.11"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2febf5fdbf5d9a52ddc3e986971c8609b1582d67"}, {"url": "https://git.kernel.org/stable/c/c916ca35308d3187c9928664f9be249b22a3a701"}], "title": "md/raid1: Fix data corruption for degraded array with slow disk", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-09-29T15:47:27.863341Z", "id": "CVE-2024-45023", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-29T15:47:42.110Z"}}]}}

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Hence add such checking to fix the problem.\n\nAlso fix similar problem in choose_slow_rdev()."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.10.7", "versionStartIncluding": "6.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.11", "versionStartIncluding": "6.9"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T11:37:48.080Z"}}}, "cveMetadata": {"cveId": "CVE-2024-45023", "state": "PUBLISHED", "dateUpdated": "2026-08-05T11:37:48.080Z", "dateReserved": "2024-08-21T05:34:56.684Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-09-11T15:13:56.451Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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Hence add such checking to fix the problem.\n\nAlso fix similar problem in choose_slow_rdev()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: md/raid1: Reparar la corrupci\u00f3n de datos para la matriz degradada con disco lento read_balance() evitar\u00e1 la lectura de discos lentos tanto como sea posible, sin embargo, si los datos v\u00e1lidos solo llegan a discos lentos, y un nuevo disco normal a\u00fan est\u00e1 en recuperaci\u00f3n, se pueden leer los datos no recuperados: raid1_read_request read_balance raid1_should_read_first -> return false choose_best_rdev -> no se recupera el disco normal, devuelve -1 choose_bb_rdev -> falta la comprobaci\u00f3n de recuperaci\u00f3n, devuelve el disco normal -> leer datos no recuperados La causa ra\u00edz es que falta la comprobaci\u00f3n de recuperaci\u00f3n en choose_bb_rdev(). Por lo tanto, agregue dicha comprobaci\u00f3n para solucionar el problema. Tambi\u00e9n solucione un problema similar en choose_slow_rdev()."}], "id": "CVE-2024-45023", "lastModified": "2026-08-04T11:20:12.377", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-45023", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-29T15:47:27.863341Z", "version": "2.0.3"}}]}, "published": "2024-09-11T16:15:07.230", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2febf5fdbf5d9a52ddc3e986971c8609b1582d67"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c916ca35308d3187c9928664f9be249b22a3a701"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: md/raid1: Fix data corruption for degraded array with slow disk", "id": "2311720", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2311720"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-494", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmd/raid1: Fix data corruption for degraded array with slow disk\nread_balance() will avoid reading from slow disks as much as possible,\nhowever, if valid data only lands in slow disks, and a new normal disk\nis still in recovery, unrecovered data can be read:\nraid1_read_request\nread_balance\nraid1_should_read_first\n-> return false\nchoose_best_rdev\n-> normal disk is not recovered, return -1\nchoose_bb_rdev\n-> missing the checking of recovery, return the normal disk\n-> read unrecovered data\nRoot cause is that the checking of recovery is missing in\nchoose_bb_rdev(). Hence add such checking to fix the problem.\nAlso fix similar problem in choose_slow_rdev()."], "name": "CVE-2024-45023", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-09-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-45023\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-45023\nhttps://lore.kernel.org/linux-cve-announce/2024091109-CVE-2024-45023-d7f2@gregkh/T"], "statement": "Accessing storage device will need some extra privilege and hence impact of this issue is considered to be Moderate.", "threat_severity": "Moderate"}

{}