CVE-2024-45015

{"id": "CVE-2024-45015", "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": "2024-09-11T16:15:06.763", "references": [{"url": "https://git.kernel.org/stable/c/3bacf814b6a61cc683c68465f175ebd938f09c52", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3fb61718bcbe309279205d1cc275a6435611dc77", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/aedf02e46eb549dac8db4821a6b9f0c6bf6e3990", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dpu: move dpu_encoder's connector assignment to atomic_enable()\n\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().\n\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.\n\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.\n\nPatchwork: https://patchwork.freedesktop.org/patch/606729/"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/msm/dpu: mover la asignaci\u00f3n del conector de dpu_encoder a atomic_enable() Para los casos en los que se configur\u00f3 connectors_changed de crtc sin que se alternara enable/active, hay una llamada a atomic_enable() seguida de una atomic_disable() pero sin una atomic_mode_set(). 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/"}], "lastModified": "2024-09-13T16:35:58.617", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "74701FE5-269E-4746-9FA4-73ABD478D02A", "versionEndExcluding": "6.6.48", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D2AFDFD1-D95A-4EB7-843B-5E7659518B67", "versionEndExcluding": "6.10.7", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DEB27E7-30AA-45CC-8934-B89263EF3551"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0005AEF-856E-47EB-BFE4-90C46899394D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39889A68-6D34-47A6-82FC-CD0BF23D6754"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}