CVE-2024-35808

{"id": "CVE-2024-35808", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-05-17T14:15:14.503", "references": [{"url": "https://git.kernel.org/stable/c/347dcdc15a1706f61aa545ae498ededdf31aeebc", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9e59b8d76ff511505eb0dd1478329f09e0f04669", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/cd32b27a66db8776d8b8e82ec7d7dde97a8693b0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/347dcdc15a1706f61aa545ae498ededdf31aeebc", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/9e59b8d76ff511505eb0dd1478329f09e0f04669", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/cd32b27a66db8776d8b8e82ec7d7dde97a8693b0", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-667"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/dm-raid: don't call md_reap_sync_thread() directly\n\nCurrently md_reap_sync_thread() is called from raid_message() directly\nwithout holding 'reconfig_mutex', this is definitely unsafe because\nmd_reap_sync_thread() can change many fields that is protected by\n'reconfig_mutex'.\n\nHowever, hold 'reconfig_mutex' here is still problematic because this\nwill cause deadlock, for example, commit 130443d60b1b (\"md: refactor\nidle/frozen_sync_thread() to fix deadlock\").\n\nFix this problem by using stop_sync_thread() to unregister sync_thread,\nlike md/raid did."}, {"lang": "es", "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: md/dm-raid: no llame a md_reap_sync_thread() directamente Actualmente, se llama a md_reap_sync_thread() desde raid_message() directamente sin mantener presionado 'reconfig_mutex', esto definitivamente no es seguro porque md_reap_sync_thread( ) puede cambiar muchos campos protegidos por 'reconfig_mutex'. Sin embargo, mantener 'reconfig_mutex' aqu\u00ed sigue siendo problem\u00e1tico porque esto causar\u00e1 un punto muerto, por ejemplo, confirme 130443d60b1b (\"md: refactor idle/frozen_sync_thread() to fix deadlock\"). Solucione este problema usando stop_sync_thread() para cancelar el registro de sync_thread, como lo hizo md/raid."}], "lastModified": "2025-09-19T16:02:27.983", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B53C24B-2D46-4DC6-85C6-628182B5EA0E", "versionEndExcluding": "6.7.12", "versionStartIncluding": "3.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4C59BBC3-6495-4A77-9C82-55EC7CDF5E02", "versionEndExcluding": "6.8.3", "versionStartIncluding": "6.8"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}