{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-50134", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.955Z", "datePublished": "2024-11-05T17:10:58.939Z", "dateUpdated": "2025-11-03T22:25:54.618Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T09:46:55.568Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA\n\nReplace the fake VLA at end of the vbva_mouse_pointer_shape shape with\na real VLA to fix a \"memcpy: detected field-spanning write error\" warning:\n\n[ 13.319813] memcpy: detected field-spanning write (size 16896) of single field \"p->data\" at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 (size 4)\n[ 13.319841] WARNING: CPU: 0 PID: 1105 at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 hgsmi_update_pointer_shape+0x192/0x1c0 [vboxvideo]\n[ 13.320038] Call Trace:\n[ 13.320173] hgsmi_update_pointer_shape [vboxvideo]\n[ 13.320184] vbox_cursor_atomic_update [vboxvideo]\n\nNote as mentioned in the added comment it seems the original length\ncalculation for the allocated and send hgsmi buffer is 4 bytes too large.\nChanging this is not the goal of this patch, so this behavior is kept."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/vboxvideo/hgsmi_base.c", "drivers/gpu/drm/vboxvideo/vboxvideo.h"], "versions": [{"version": "dd55d44f408419278c00887bfcb2261d0caae350", "lessThan": "02c86c5d5ef4bbba17d38859c74872825f536617", "status": "affected", "versionType": "git"}, {"version": "dd55d44f408419278c00887bfcb2261d0caae350", "lessThan": 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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C30547DB-040F-4F1C-B663-7B90865317E2", "versionEndExcluding": "5.15.170", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C08A77A6-E42E-4EFD-B5A1-2BF6CBBB42AE", "versionEndExcluding": "6.1.115", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5D15CA59-D15C-4ACD-8B03-A072DEAD2081", "versionEndExcluding": "6.6.59", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E4486B12-007B-4794-9857-F07145637AA1", "versionEndExcluding": "6.11.6", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA\n\nReplace the fake VLA at end of the vbva_mouse_pointer_shape shape with\na real VLA to fix a \"memcpy: detected field-spanning write error\" warning:\n\n[ 13.319813] memcpy: detected field-spanning write (size 16896) of single field \"p->data\" at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 (size 4)\n[ 13.319841] WARNING: CPU: 0 PID: 1105 at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 hgsmi_update_pointer_shape+0x192/0x1c0 [vboxvideo]\n[ 13.320038] Call Trace:\n[ 13.320173] hgsmi_update_pointer_shape [vboxvideo]\n[ 13.320184] vbox_cursor_atomic_update [vboxvideo]\n\nNote as mentioned in the added comment it seems the original length\ncalculation for the allocated and send hgsmi buffer is 4 bytes too large.\nChanging this is not the goal of this patch, so this behavior is kept."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/vboxvideo: Reemplazar VLA falso al final de vbva_mouse_pointer_shape con VLA real Reemplace el VLA falso al final de la forma vbva_mouse_pointer_shape con un VLA real para corregir una advertencia \"memcpy: error de escritura que abarca el campo detectado\": [ 13.319813] memcpy: se detect\u00f3 una escritura que abarca el campo (tama\u00f1o 16896) de un solo campo \"p->data\" en drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 (tama\u00f1o 4) [ 13.319841] ADVERTENCIA: CPU: 0 PID: 1105 en drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 hgsmi_update_pointer_shape+0x192/0x1c0 [vboxvideo] [ [13.320038] Seguimiento de llamadas: [13.320173] hgsmi_update_pointer_shape [vboxvideo] [13.320184] vbox_cursor_atomic_update [vboxvideo] Tenga en cuenta que, como se menciona en el comentario agregado, parece que el c\u00e1lculo de longitud original para el b\u00fafer hgsmi asignado y enviado es 4 bytes m\u00e1s grande. Cambiar esto no es el objetivo de este parche, por lo que se mantiene este comportamiento."}], "id": "CVE-2024-50134", "lastModified": "2025-11-03T23:16:53.860", "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": "2024-11-05T18:15:16.093", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/02c86c5d5ef4bbba17d38859c74872825f536617"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/34a422274b693507025a7db21519865d1862afcb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7458a6cdaebb3dc59af8578ee354fae78a154c4a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/75f828e944dacaac8870418461d3d48a1ecf2331"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9eb32bd23bbcec44bcbef27b7f282b7a7f3d0391"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d92b90f9a54d9300a6e883258e79f36dab53bfae"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fae9dc12c61ce23cf29d09824a741b7b1ff8f01f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA", "id": "2323943", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2323943"}, "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-119", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA\nReplace the fake VLA at end of the vbva_mouse_pointer_shape shape with\na real VLA to fix a \"memcpy: detected field-spanning write error\" warning:\n[ 13.319813] memcpy: detected field-spanning write (size 16896) of single field \"p->data\" at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 (size 4)\n[ 13.319841] WARNING: CPU: 0 PID: 1105 at drivers/gpu/drm/vboxvideo/hgsmi_base.c:154 hgsmi_update_pointer_shape+0x192/0x1c0 [vboxvideo]\n[ 13.320038] Call Trace:\n[ 13.320173] hgsmi_update_pointer_shape [vboxvideo]\n[ 13.320184] vbox_cursor_atomic_update [vboxvideo]\nNote as mentioned in the added comment it seems the original length\ncalculation for the allocated and send hgsmi buffer is 4 bytes too large.\nChanging this is not the goal of this patch, so this behavior is kept."], "name": "CVE-2024-50134", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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": "2024-11-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50134\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50134\nhttps://lore.kernel.org/linux-cve-announce/2024110558-CVE-2024-50134-53ce@gregkh/T"], "threat_severity": "Low"}

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