{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71225", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-02-14T16:26:02.969Z", "datePublished": "2026-02-18T14:21:46.249Z", "dateUpdated": "2026-05-11T21:56:47.569Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:56:47.569Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: suspend array while updating raid_disks via sysfs\n\nIn raid1_reshape(), freeze_array() is called before modifying the r1bio\nmemory pool (conf->r1bio_pool) and conf->raid_disks, and\nunfreeze_array() is called after the update is completed.\n\nHowever, freeze_array() only waits until nr_sync_pending and\n(nr_pending - nr_queued) of all buckets reaches zero. When an I/O error\noccurs, nr_queued is increased and the corresponding r1bio is queued to\neither retry_list or bio_end_io_list. As a result, freeze_array() may\nunblock before these r1bios are released.\n\nThis can lead to a situation where conf->raid_disks and the mempool have\nalready been updated while queued r1bios, allocated with the old\nraid_disks value, are later released. Consequently, free_r1bio() may\naccess memory out of bounds in put_all_bios() and release r1bios of the\nwrong size to the new mempool, potentially causing issues with the\nmempool as well.\n\nSince only normal I/O might increase nr_queued while an I/O error occurs,\nsuspending the array avoids this issue.\n\nNote: Updating raid_disks via ioctl SET_ARRAY_INFO already suspends\nthe array. Therefore, we suspend the array when updating raid_disks\nvia sysfs to avoid this issue too."}], "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": "e2d59925221cd562e07fee38ec8839f7209ae603", "lessThan": "165d1359f945b72c5f90088f60d48ff46115269e", "status": "affected", "versionType": "git"}, {"version": "e2d59925221cd562e07fee38ec8839f7209ae603", "lessThan": "0107b18cd8ac17eb3e54786adc05a85cdbb6ef22", "status": "affected", "versionType": "git"}, {"version": "e2d59925221cd562e07fee38ec8839f7209ae603", "lessThan": "2cc583653bbe050bacd1cadcc9776d39bf449740", "status": "affected", "versionType": "git"}, {"version": "1b9203bb4c658c0242afa6fdb025c71d2fc3ad76", "status": "affected", "versionType": "git"}, {"version": "8ccf6cfb157419847f3cb2bfdfbcdbd39860e8e9", "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": "3.10", "status": "affected"}, {"version": "0", "lessThan": "3.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.70", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.10", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19", "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": "3.10", "versionEndExcluding": "6.12.70"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.18.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4.59"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9.7"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/165d1359f945b72c5f90088f60d48ff46115269e"}, {"url": "https://git.kernel.org/stable/c/0107b18cd8ac17eb3e54786adc05a85cdbb6ef22"}, {"url": "https://git.kernel.org/stable/c/2cc583653bbe050bacd1cadcc9776d39bf449740"}], "title": "md: suspend array while updating raid_disks via sysfs", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E389CD90-3A0E-4F77-84C4-CD0E55932013", "versionEndExcluding": "3.5", "versionStartIncluding": "3.4.59", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "961D1B9C-0FC0-409D-AFE8-71D140C4396C", "versionEndExcluding": "3.10", "versionStartIncluding": "3.9.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D79EE388-E36C-4B65-A381-0BFBF2302613", "versionEndExcluding": "6.12.70", "versionStartIncluding": "3.10.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7156C23F-009E-4D05-838C-A2DA417B5B8D", "versionEndExcluding": "6.18.10", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.10:-:*:*:*:*:*:*", "matchCriteriaId": "82D28405-E1F2-43CF-AA38-B228805AFFF9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.10:rc6:*:*:*:*:*:*", "matchCriteriaId": "2DD6E1E7-AF5F-46ED-A729-288651810FFF", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:3.10:rc7:*:*:*:*:*:*", "matchCriteriaId": "7EDF2BC7-2812-4297-9FF3-2CFFE1EE8584", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*", "matchCriteriaId": "17B67AA7-40D6-4AFA-8459-F200F3D7CFD1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*", "matchCriteriaId": "C47E4CC9-C826-4FA9-B014-7FE3D9B318B2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*", "matchCriteriaId": "F71D92C0-C023-48BD-B3B6-70B638EEE298", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: suspend array while updating raid_disks via sysfs\n\nIn raid1_reshape(), freeze_array() is called before modifying the r1bio\nmemory pool (conf->r1bio_pool) and conf->raid_disks, and\nunfreeze_array() is called after the update is completed.\n\nHowever, freeze_array() only waits until nr_sync_pending and\n(nr_pending - nr_queued) of all buckets reaches zero. When an I/O error\noccurs, nr_queued is increased and the corresponding r1bio is queued to\neither retry_list or bio_end_io_list. As a result, freeze_array() may\nunblock before these r1bios are released.\n\nThis can lead to a situation where conf->raid_disks and the mempool have\nalready been updated while queued r1bios, allocated with the old\nraid_disks value, are later released. Consequently, free_r1bio() may\naccess memory out of bounds in put_all_bios() and release r1bios of the\nwrong size to the new mempool, potentially causing issues with the\nmempool as well.\n\nSince only normal I/O might increase nr_queued while an I/O error occurs,\nsuspending the array avoids this issue.\n\nNote: Updating raid_disks via ioctl SET_ARRAY_INFO already suspends\nthe array. Therefore, we suspend the array when updating raid_disks\nvia sysfs to avoid this issue too."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nmd: suspender el array mientras se actualiza raid_disks a trav\u00e9s de sysfs\n\nEn raid1_reshape(), se llama a freeze_array() antes de modificar el pool de memoria r1bio (conf->r1bio_pool) y conf->raid_disks, y se llama a unfreeze_array() despu\u00e9s de que se completa la actualizaci\u00f3n.\n\nSin embargo, freeze_array() solo espera hasta que nr_sync_pending y (nr_pending - nr_queued) de todos los buckets lleguen a cero. Cuando ocurre un error de E/S, nr_queued se incrementa y el r1bio correspondiente se encola en retry_list o bio_end_io_list. Como resultado, freeze_array() puede desbloquearse antes de que estos r1bios sean liberados.\n\nEsto puede llevar a una situaci\u00f3n en la que conf->raid_disks y el mempool ya han sido actualizados mientras que los r1bios encolados, asignados con el valor antiguo de raid_disks, son liberados posteriormente. En consecuencia, free_r1bio() puede acceder a memoria fuera de los l\u00edmites en put_all_bios() y liberar r1bios de tama\u00f1o incorrecto al nuevo mempool, lo que podr\u00eda causar problemas tambi\u00e9n con el mempool.\n\nDado que solo la E/S normal podr\u00eda aumentar nr_queued mientras ocurre un error de E/S, suspender el array evita este problema.\n\nNota: La actualizaci\u00f3n de raid_disks a trav\u00e9s de ioctl SET_ARRAY_INFO ya suspende el array. Por lo tanto, suspendemos el array al actualizar raid_disks a trav\u00e9s de sysfs para evitar este problema tambi\u00e9n."}], "id": "CVE-2025-71225", "lastModified": "2026-03-18T20:44:55.710", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 4.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-02-18T15:18:40.330", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0107b18cd8ac17eb3e54786adc05a85cdbb6ef22"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/165d1359f945b72c5f90088f60d48ff46115269e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2cc583653bbe050bacd1cadcc9776d39bf449740"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: md: suspend array while updating raid_disks via sysfs", "id": "2440627", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2440627"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-71225", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-02-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-71225\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-71225\nhttps://lore.kernel.org/linux-cve-announce/2026021859-CVE-2025-71225-44de@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2026-02-19T10:19:44.334981+00:00", "updated": "2026-02-19T10:19:44.335138+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}