{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-26758", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.170Z", "datePublished": "2024-04-03T17:00:42.448Z", "dateUpdated": "2025-05-04T08:55:50.864Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:55:50.864Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: Don't ignore suspended array in md_check_recovery()\n\nmddev_suspend() never stop sync_thread, hence it doesn't make sense to\nignore suspended array in md_check_recovery(), which might cause\nsync_thread can't be unregistered.\n\nAfter commit f52f5c71f3d4 (\"md: fix stopping sync thread\"), following\nhang can be triggered by test shell/integrity-caching.sh:\n\n1) suspend the array:\nraid_postsuspend\n mddev_suspend\n\n2) stop the array:\nraid_dtr\n md_stop\n __md_stop_writes\n stop_sync_thread\n set_bit(MD_RECOVERY_INTR, &mddev->recovery);\n md_wakeup_thread_directly(mddev->sync_thread);\n wait_event(..., !test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))\n\n3) sync thread done:\nmd_do_sync\n set_bit(MD_RECOVERY_DONE, &mddev->recovery);\n md_wakeup_thread(mddev->thread);\n\n4) daemon thread can't unregister sync thread:\nmd_check_recovery\n if (mddev->suspended)\n return; -> return directly\n md_read_sync_thread\n clear_bit(MD_RECOVERY_RUNNING, &mddev->recovery);\n -> MD_RECOVERY_RUNNING can't be cleared, hence step 2 hang;\n\nThis problem is not just related to dm-raid, fix it by ignoring\nsuspended array in md_check_recovery(). And follow up patches will\nimprove dm-raid better to frozen sync thread during suspend."}], "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": "68866e425be2ef2664aa5c691bb3ab789736acf5", "lessThan": "a55f0d6179a19c6b982e2dc344d58c98647a3be0", "status": "affected", "versionType": "git"}, {"version": "68866e425be2ef2664aa5c691bb3ab789736acf5", "lessThan": "1baae052cccd08daf9a9d64c3f959d8cdb689757", "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": "3.0", "status": "affected"}, {"version": "0", "lessThan": "3.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.7", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "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": "3.0", "versionEndExcluding": "6.7.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a55f0d6179a19c6b982e2dc344d58c98647a3be0"}, {"url": "https://git.kernel.org/stable/c/1baae052cccd08daf9a9d64c3f959d8cdb689757"}], "title": "md: Don't ignore suspended array in md_check_recovery()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-129", "lang": "en", "description": "CWE-129 Improper Validation of Array Index"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-04-04T15:44:46.004126Z", "id": "CVE-2024-26758", "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": "2024-11-04T17:38:20.783Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:14:13.281Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/a55f0d6179a19c6b982e2dc344d58c98647a3be0", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/1baae052cccd08daf9a9d64c3f959d8cdb689757", "tags": ["x_transferred"]}]}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8BFBD4BD-8E19-4C1E-92AD-87A88145AA96", "versionEndExcluding": "6.7.7", "versionStartIncluding": "3.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*", "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*", "matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*", "matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*", "matchCriteriaId": "62075ACE-B2A0-4B16-829D-B3DA5AE5CC41", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc5:*:*:*:*:*:*", "matchCriteriaId": "A780F817-2A77-4130-A9B7-5C25606314E3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: Don't ignore suspended array in md_check_recovery()\n\nmddev_suspend() never stop sync_thread, hence it doesn't make sense to\nignore suspended array in md_check_recovery(), which might cause\nsync_thread can't be unregistered.\n\nAfter commit f52f5c71f3d4 (\"md: fix stopping sync thread\"), following\nhang can be triggered by test shell/integrity-caching.sh:\n\n1) suspend the array:\nraid_postsuspend\n mddev_suspend\n\n2) stop the array:\nraid_dtr\n md_stop\n __md_stop_writes\n stop_sync_thread\n set_bit(MD_RECOVERY_INTR, &mddev->recovery);\n md_wakeup_thread_directly(mddev->sync_thread);\n wait_event(..., !test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))\n\n3) sync thread done:\nmd_do_sync\n set_bit(MD_RECOVERY_DONE, &mddev->recovery);\n md_wakeup_thread(mddev->thread);\n\n4) daemon thread can't unregister sync thread:\nmd_check_recovery\n if (mddev->suspended)\n return; -> return directly\n md_read_sync_thread\n clear_bit(MD_RECOVERY_RUNNING, &mddev->recovery);\n -> MD_RECOVERY_RUNNING can't be cleared, hence step 2 hang;\n\nThis problem is not just related to dm-raid, fix it by ignoring\nsuspended array in md_check_recovery(). And follow up patches will\nimprove dm-raid better to frozen sync thread during suspend."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: md: No ignorar la matriz suspendida en md_check_recovery() mddev_suspend() nunca detiene sync_thread, por lo tanto, no tiene sentido ignorar la matriz suspendida en md_check_recovery(), lo que podr\u00eda causar sync_thread no se puede cancelar el registro. Despu\u00e9s de commit f52f5c71f3d4 (\"md: arreglar la detenci\u00f3n del hilo de sincronizaci\u00f3n\"), el siguiente bloqueo se puede activar mediante test shell/integrity-caching.sh: 1) suspender la matriz: raid_postsuspend mddev_suspend 2) detener la matriz: raid_dtr md_stop __md_stop_writes stop_sync_thread set_bit(MD_RECOVERY_INTR , &mddev->recuperaci\u00f3n); md_wakeup_thread_directly(mddev->sync_thread); wait_event(..., !test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) 3) hilo de sincronizaci\u00f3n realizado: md_do_sync set_bit(MD_RECOVERY_DONE, &mddev->recovery); md_wakeup_thread(mddev->thread); 4) el hilo del demonio no puede cancelar el registro del hilo de sincronizaci\u00f3n: md_check_recovery si (mddev->suspended) regresa; -> devolver directamente md_read_sync_thread clear_bit(MD_RECOVERY_RUNNING, &mddev->recovery); -> MD_RECOVERY_RUNNING no se puede borrar, por lo tanto el paso 2 se bloquea; Este problema no solo est\u00e1 relacionado con dm-raid; solucionelo ignorando la matriz suspendida en md_check_recovery(). Y los parches de seguimiento mejorar\u00e1n mejor dm-raid para congelar el hilo de sincronizaci\u00f3n durante la suspensi\u00f3n."}], "id": "CVE-2024-26758", "lastModified": "2025-04-04T14:30:16.437", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-04-03T17:15:52.263", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1baae052cccd08daf9a9d64c3f959d8cdb689757"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a55f0d6179a19c6b982e2dc344d58c98647a3be0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1baae052cccd08daf9a9d64c3f959d8cdb689757"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a55f0d6179a19c6b982e2dc344d58c98647a3be0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-129"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: md: Don't ignore suspended array in md_check_recovery()", "id": "2273206", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273206"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-20", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmd: Don't ignore suspended array in md_check_recovery()\nmddev_suspend() never stop sync_thread, hence it doesn't make sense to\nignore suspended array in md_check_recovery(), which might cause\nsync_thread can't be unregistered.\nAfter commit f52f5c71f3d4 (\"md: fix stopping sync thread\"), following\nhang can be triggered by test shell/integrity-caching.sh:\n1) suspend the array:\nraid_postsuspend\nmddev_suspend\n2) stop the array:\nraid_dtr\nmd_stop\n__md_stop_writes\nstop_sync_thread\nset_bit(MD_RECOVERY_INTR, &mddev->recovery);\nmd_wakeup_thread_directly(mddev->sync_thread);\nwait_event(..., !test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))\n3) sync thread done:\nmd_do_sync\nset_bit(MD_RECOVERY_DONE, &mddev->recovery);\nmd_wakeup_thread(mddev->thread);\n4) daemon thread can't unregister sync thread:\nmd_check_recovery\nif (mddev->suspended)\nreturn; -> return directly\nmd_read_sync_thread\nclear_bit(MD_RECOVERY_RUNNING, &mddev->recovery);\n-> MD_RECOVERY_RUNNING can't be cleared, hence step 2 hang;\nThis problem is not just related to dm-raid, fix it by ignoring\nsuspended array in md_check_recovery(). And follow up patches will\nimprove dm-raid better to frozen sync thread during suspend."], "name": "CVE-2024-26758", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26758\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26758\nhttps://lore.kernel.org/linux-cve-announce/2024040304-CVE-2024-26758-dcc3@gregkh/T"], "threat_severity": "Low"}