{ "id": "CVE-2024-40969", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-07-12T13:15:18.627", "lastModified": "2024-09-09T17:59:29.787", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: don't set RO when shutting down f2fs\n\nShutdown does not check the error of thaw_super due to readonly, which\ncauses a deadlock like below.\n\nf2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC) issue_discard_thread\n - bdev_freeze\n - freeze_super\n - f2fs_stop_checkpoint()\n - f2fs_handle_critical_error - sb_start_write\n - set RO - waiting\n - bdev_thaw\n - thaw_super_locked\n - return -EINVAL, if sb_rdonly()\n - f2fs_stop_discard_thread\n -> wait for kthread_stop(discard_thread);" }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: f2fs: no configure RO al apagar f2fs El apagado no verifica el error de thaw_super debido a solo lectura, lo que causa un punto muerto como el que se muestra a continuaci\u00f3n. f2fs_ioc_shutdown(F2FS_GOING_DOWN_FULLSYNC) issues_discard_thread - bdev_freeze - frozen_super - f2fs_stop_checkpoint() - f2fs_handle_critical_error - sb_start_write - establecer RO - esperando - bdev_thaw - thaw_super_locked - devolver -EINVAL, si sb_rdonly() - card_thread -> esperar kthread_stop(discard_thread);" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-667" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.6.36", "matchCriteriaId": "97F8F699-7041-44A4-9087-0E1FFC0543C8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.9.7", "matchCriteriaId": "0A047AF2-94AC-4A3A-B32D-6AB930D8EF1C" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/1036d3ea7a32cb7cee00885c73a1f2ba7fbc499a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/3bdb7f161697e2d5123b89fe1778ef17a44858e7", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/f47ed3b284b38f235355e281f57dfa8fffcc6563", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }