CVE-2024-38390

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Llamar a a6xx_destroy() antes de adreno_gpu_init() conduce a una desreferencia de puntero nulo en: msm_gpu_cleanup() : platform_set_drvdata(gpu- >pdev, NULO); ya que gpu->pdev solo se asigna en: a6xx_gpu_init() |_ adreno_gpu_init |_ msm_gpu_init() En lugar de depender de comprobaciones nulas manuales en la cadena de limpieza, desasigne expl\u00edcitamente los datos LLC y libere a6xx_gpu en su lugar. Remiendo: https://patchwork.freedesktop.org/patch/588919/"}], "id": "CVE-2024-38390", "lastModified": "2026-06-17T07:40:02.943", "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-2024-38390", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T17:09:21.858510Z", "version": "2.0.3"}}]}, "published": "2024-06-21T11:15:10.913", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/247849eeb3fd88f8990ed73e33af70d5c10f9aec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/46d4efcccc688cbacdd70a238bedca510acaa8e4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/617e3d1680504a3f9d88e1582892c68be155498f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a1955a6df91355fef72a3a254700acd3cc1fec0d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/247849eeb3fd88f8990ed73e33af70d5c10f9aec"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/46d4efcccc688cbacdd70a238bedca510acaa8e4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/617e3d1680504a3f9d88e1582892c68be155498f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a1955a6df91355fef72a3a254700acd3cc1fec0d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails", "id": "2293689", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2293689"}, "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-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails\nCalling a6xx_destroy() before adreno_gpu_init() leads to a null pointer\ndereference on:\nmsm_gpu_cleanup() : platform_set_drvdata(gpu->pdev, NULL);\nas gpu->pdev is only assigned in:\na6xx_gpu_init()\n|_ adreno_gpu_init\n|_ msm_gpu_init()\nInstead of relying on handwavy null checks down the cleanup chain,\nexplicitly de-allocate the LLC data and free a6xx_gpu instead.\nPatchwork: https://patchwork.freedesktop.org/patch/588919/"], "name": "CVE-2024-38390", "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": "2024-06-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-38390\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-38390\nhttps://lore.kernel.org/linux-cve-announce/2024062138-CVE-2024-38390-395e@gregkh/T"], "threat_severity": "Low"}

{}