CVE-2024-45015

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Esto da como resultado un acceso ptr NULL para la llamada dpu_encoder_get_drm_fmt() en atomic_enable() ya que el conector de dpu_encoder se borr\u00f3 en atomic_disable() pero no se reasign\u00f3 ya que no hubo una llamada a atomic_mode_set(). Corrija el acceso ptr NULL moviendo la asignaci\u00f3n para atomic_enable() y tambi\u00e9n use drm_atomic_get_new_connector_for_encoder() para obtener el conector de atomic_state. Parche: https://patchwork.freedesktop.org/patch/606729/"}], "id": "CVE-2024-45015", "lastModified": "2026-06-17T07:53:25.437", "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": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-45015", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-29T15:49:35.395153Z", "version": "2.0.3"}}]}, "published": "2024-09-11T16:15:06.763", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3bacf814b6a61cc683c68465f175ebd938f09c52"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3fb61718bcbe309279205d1cc275a6435611dc77"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/aedf02e46eb549dac8db4821a6b9f0c6bf6e3990"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/msm/dpu: move dpu_encoder's connector assignment to atomic_enable()", "id": "2311712", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2311712"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/msm/dpu: move dpu_encoder's connector assignment to atomic_enable()\nFor cases where the crtc's connectors_changed was set without enable/active\ngetting toggled , there is an atomic_enable() call followed by an\natomic_disable() but without an atomic_mode_set().\nThis results in a NULL ptr access for the dpu_encoder_get_drm_fmt() call in\nthe atomic_enable() as the dpu_encoder's connector was cleared in the\natomic_disable() but not re-assigned as there was no atomic_mode_set() call.\nFix the NULL ptr access by moving the assignment for atomic_enable() and also\nuse drm_atomic_get_new_connector_for_encoder() to get the connector from\nthe atomic_state.\nPatchwork: https://patchwork.freedesktop.org/patch/606729/"], "name": "CVE-2024-45015", "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": "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-09-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-45015\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-45015\nhttps://lore.kernel.org/linux-cve-announce/2024091107-CVE-2024-45015-c139@gregkh/T"], "threat_severity": "Low"}

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