CVE-2024-56708

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In igen6_remove(), it will kfree(igen6_pvt);\n\nFix this issue by setting mci->pvt_info to NULL to avoid the double\nkfree."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/edac/igen6_edac.c"], "versions": [{"version": "10590a9d4f23e0a519730d79d39331df60ad2079", "lessThan": "029ac07bb92d2f7502d47a4916f197a8445d83bf", "status": "affected", "versionType": "git"}, {"version": "10590a9d4f23e0a519730d79d39331df60ad2079", "lessThan": "2a80e710bbc088a2511c159ee4d910456c5f0832", "status": "affected", "versionType": "git"}, {"version": "10590a9d4f23e0a519730d79d39331df60ad2079", "lessThan": "830cabb61113d92a425dd3038ccedbdfb3c8d079", "status": "affected", "versionType": "git"}, {"version": "10590a9d4f23e0a519730d79d39331df60ad2079", "lessThan": "e5c7052664b61f9e2f896702d20552707d0ef60a", "status": "affected", "versionType": "git"}, {"version": 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In igen6_probe(), igen6_pvt will be allocated with kzalloc()\n2. In igen6_register_mci(), mci->pvt_info will point to\n &igen6_pvt->imc[mc]\n\nDuring rmmod:\n1. In mci_release() in edac_mc.c, it will kfree(mci->pvt_info)\n2. 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In igen6_probe(), igen6_pvt will be allocated with kzalloc()\n2. In igen6_register_mci(), mci->pvt_info will point to\n &igen6_pvt->imc[mc]\n\nDuring rmmod:\n1. In mci_release() in edac_mc.c, it will kfree(mci->pvt_info)\n2. In igen6_remove(), it will kfree(igen6_pvt);\n\nFix this issue by setting mci->pvt_info to NULL to avoid the double\nkfree."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: EDAC/igen6: Evitar fallo de segmentaci\u00f3n al descargar el m\u00f3dulo El fallo de segmentaci\u00f3n ocurre porque: Durante modprobe: 1. En igen6_probe(), igen6_pvt se asignar\u00e1 con kzalloc() 2. En igen6_register_mci(), mci->pvt_info apuntar\u00e1 a &igen6_pvt->imc[mc] Durante rmmod: 1. En mci_release() en edac_mc.c, kfree(mci->pvt_info) 2. En igen6_remove(), kfree(igen6_pvt); Solucione este problema configurando mci->pvt_info en NULL para evitar el kfree doble."}], "id": "CVE-2024-56708", "lastModified": "2026-06-17T08:12:47.823", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-56708", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T19:58:44.624079Z", "version": "2.0.3"}}]}, "published": "2024-12-28T10:15:20.397", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/029ac07bb92d2f7502d47a4916f197a8445d83bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2a80e710bbc088a2511c159ee4d910456c5f0832"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/830cabb61113d92a425dd3038ccedbdfb3c8d079"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/db60326f2c47b079e36785ace621eb3002db2088"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e5c7052664b61f9e2f896702d20552707d0ef60a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fefaae90398d38a1100ccd73b46ab55ff4610fba"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-415"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: EDAC/igen6: Avoid segmentation fault on module unload", "id": "2334672", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334672"}, "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": "draft"}, "cwe": "CWE-415", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nEDAC/igen6: Avoid segmentation fault on module unload\nThe segmentation fault happens because:\nDuring modprobe:\n1. In igen6_probe(), igen6_pvt will be allocated with kzalloc()\n2. In igen6_register_mci(), mci->pvt_info will point to\n&igen6_pvt->imc[mc]\nDuring rmmod:\n1. In mci_release() in edac_mc.c, it will kfree(mci->pvt_info)\n2. In igen6_remove(), it will kfree(igen6_pvt);\nFix this issue by setting mci->pvt_info to NULL to avoid the double\nkfree."], "name": "CVE-2024-56708", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "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", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-56708\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-56708\nhttps://lore.kernel.org/linux-cve-announce/2024122838-CVE-2024-56708-2702@gregkh/T"], "statement": "This issue is considered to be a moderate impact flaw, as the exploitation for this will need an ADMIN (or ROOT) privilege (PR:H).", "threat_severity": "Low"}

{}