CVE-2025-38467

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The panic message and a\nrelevant snippet of the call stack is as follows:\n\n Unable to handle kernel NULL pointer dereference at virtual address 000000000000000\n Call trace:\n drm_crtc_handle_vblank+0x10/0x30 (P)\n decon_irq_handler+0x88/0xb4\n [...]\n\nOtherwise, the panics don't happen. 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The panic message and a\nrelevant snippet of the call stack is as follows:\n\n Unable to handle kernel NULL pointer dereference at virtual address 000000000000000\n Call trace:\n drm_crtc_handle_vblank+0x10/0x30 (P)\n decon_irq_handler+0x88/0xb4\n [...]\n\nOtherwise, the panics don't happen. This indicates that it's some sort\nof race condition.\n\nAdd a check to validate if the drm device can handle vblanks before\ncalling drm_crtc_handle_vblank() to avoid this."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/exynos: exynos7_drm_decon: a\u00f1adir comprobaci\u00f3n de vblank en el manejo de IRQ Si hay soporte para otro dispositivo de consola (como un serial TTY), el kernel ocasionalmente entra en p\u00e1nico durante el arranque. El mensaje de p\u00e1nico y un fragmento relevante de la pila de llamadas es el siguiente: Unable to handle kernel NULL pointer dereference at virtual address 000000000000000 Rastreo de llamada: drm_crtc_handle_vblank+0x10/0x30 (P) decon_irq_handler+0x88/0xb4 [...] De lo contrario, los p\u00e1nicos no ocurren. Esto indica que es alg\u00fan tipo de condici\u00f3n de ejecuci\u00f3n. Agregue una comprobaci\u00f3n para validar si el dispositivo drm puede manejar vblanks antes de llamar a drm_crtc_handle_vblank() para evitar esto."}], "id": "CVE-2025-38467", "lastModified": "2026-06-17T09:16:55.090", "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"}]}, "published": "2025-07-25T16:15:33.267", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/391e5ea5b877230b844c9bd8bbcd91b681b1ce2d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/87825fbd1e176cd5b896940f3959e7c9a916945d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/996740652e620ef8ee1e5c65832cf2ffa498577d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a2130463fc9451005660b0eda7b61d5f746f7d74"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a40a35166f7e4f6dcd4b087d620c8228922dcb0a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b4e72c0bf878f02faa00a7dc7c9ffc4ff7c116a7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b846350aa272de99bf6fecfa6b08e64ebfb13173"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e9d9b25f376737b81f06de9c5aa422b488f47184"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "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/exynos: exynos7_drm_decon: add vblank check in IRQ handling", "id": "2383495", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2383495"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/exynos: exynos7_drm_decon: add vblank check in IRQ handling\nIf there's support for another console device (such as a TTY serial),\nthe kernel occasionally panics during boot. The panic message and a\nrelevant snippet of the call stack is as follows:\nUnable to handle kernel NULL pointer dereference at virtual address 000000000000000\nCall trace:\ndrm_crtc_handle_vblank+0x10/0x30 (P)\ndecon_irq_handler+0x88/0xb4\n[...]\nOtherwise, the panics don't happen. This indicates that it's some sort\nof race condition.\nAdd a check to validate if the drm device can handle vblanks before\ncalling drm_crtc_handle_vblank() to avoid this."], "name": "CVE-2025-38467", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "2025-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38467\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38467\nhttps://lore.kernel.org/linux-cve-announce/2025072509-CVE-2025-38467-eb0c@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-26T11:22:00.761633+00:00", "updated": "2025-07-26T11:22:00.761764+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}