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Instead of checking if\nMD_RECOVERY_RUNNING is set, check if sync_thread is non-NULL."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dm-raid: corrige la verificaci\u00f3n WARN_ON_ONCE para sync_thread en raid_resume Los dispositivos rm-raid ocasionalmente activar\u00e1n la siguiente advertencia cuando se reanude despu\u00e9s de una carga de tabla porque DM_RECOVERY_RUNNING est\u00e1 configurado: ADVERTENCIA: CPU: 7 PID: 5660 en drivers/md/dm-raid.c:4105 raid_resume+0xee/0x100 [dm_raid] La verificaci\u00f3n fallida es: WARN_ON_ONCE(test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)); Esta verificaci\u00f3n est\u00e1 manipulada para garantizar que el hilo de sincronizaci\u00f3n no est\u00e9 registrado, pero md_check_recovery puede configurar MD_RECOVERY_RUNNING sin que sync_thread se registre. En lugar de verificar si MD_RECOVERY_RUNNING est\u00e1 configurado, verifique si sync_thread no es NULL."}], "id": "CVE-2024-43820", "lastModified": "2026-06-17T07:51:46.627", "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": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-43820", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T16:09:03.715774Z", "version": "2.0.3"}}]}, "published": "2024-08-17T10:15:08.207", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3199a34bfaf7561410e0be1e33a61eba870768fc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a5c15a78c0e1631b7df822b56e8b6424e4d1ca3e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2025:6966", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:6966", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}], "bugzilla": {"description": "kernel: dm-raid: Fix WARN_ON_ONCE check for sync_thread in raid_resume", "id": "2305478", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2305478"}, "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-839", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndm-raid: Fix WARN_ON_ONCE check for sync_thread in raid_resume\nrm-raid devices will occasionally trigger the following warning when\nbeing resumed after a table load because DM_RECOVERY_RUNNING is set:\nWARNING: CPU: 7 PID: 5660 at drivers/md/dm-raid.c:4105 raid_resume+0xee/0x100 [dm_raid]\nThe failing check is:\nWARN_ON_ONCE(test_bit(MD_RECOVERY_RUNNING, &mddev->recovery));\nThis check is designed to make sure that the sync thread isn't\nregistered, but md_check_recovery can set MD_RECOVERY_RUNNING without\nthe sync_thread ever getting registered. Instead of checking if\nMD_RECOVERY_RUNNING is set, check if sync_thread is non-NULL."], "name": "CVE-2024-43820", "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": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-08-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-43820\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-43820\nhttps://lore.kernel.org/linux-cve-announce/2024081724-CVE-2024-43820-1bd6@gregkh/T"], "threat_severity": "Low"}

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