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If that happens, the modelist stays empty but\nthe driver continues to register. Add a check for its return value to prevent\npoteintial null-ptr-deref, which is similar to the commit 17186f1f90d3 (\"fbdev:\nFix do_register_framebuffer to prevent null-ptr-deref in fb_videomode_to_var\")."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: fbdev: imxfb: Comprobar fb_add_videomode para evitar la desreferencia de PTR nula. fb_add_videomode() puede fallar con -ENOMEM cuando su funci\u00f3n interna kmalloc() no puede asignar una estructura fb_modelist. En tal caso, la estructura de modelist permanece vac\u00eda, pero el controlador contin\u00faa registr\u00e1ndose. Se ha a\u00f1adido una comprobaci\u00f3n de su valor de retorno para evitar una posible desreferencia de PTR nula, similar al commit 17186f1f90d3 (\"fbdev: Corregir do_register_framebuffer para evitar la desreferencia de PTR nula en fb_videomode_to_var\")."}], "id": "CVE-2025-38630", "lastModified": "2026-01-07T16:34:15.273", "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": "2025-08-22T16:15:36.750", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/40f0a51f6c54d46a94b9f1180339ede7ca7ee190"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/49377bac9e3bec1635065a033c9679214fe7593e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4b5d36cc3014986e6fac12eaa8433fe56801d4ce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/69373502c2b5d364842c702c941d1171e4f35a7c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ac16154cccda8be10ee3ae188f10a06f3890bc5d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cca8f5a3991916729b39d797d01499c335137319"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/da11e6a30e0bb8e911288bdc443b3dc8f6a7cac7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f00c29e6755ead56baf2a9c1d3c4c0bb40af3612"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f060441c153495750804133555cf0a211a856892"}, {"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: fbdev: imxfb: Check fb_add_videomode to prevent null-ptr-deref", "id": "2390397", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2390397"}, "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:\nfbdev: imxfb: Check fb_add_videomode to prevent null-ptr-deref\nfb_add_videomode() can fail with -ENOMEM when its internal kmalloc() cannot\nallocate a struct fb_modelist. If that happens, the modelist stays empty but\nthe driver continues to register. Add a check for its return value to prevent\npoteintial null-ptr-deref, which is similar to the commit 17186f1f90d3 (\"fbdev:\nFix do_register_framebuffer to prevent null-ptr-deref in fb_videomode_to_var\")."], "name": "CVE-2025-38630", "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": "2025-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38630\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38630\nhttps://lore.kernel.org/linux-cve-announce/2025082232-CVE-2025-38630-e14a@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-08-23T10:55:29.844486+00:00", "updated": "2025-08-23T10:55:29.844554+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}