{"api_version":"1","generated_at":"2026-07-23T12:20:20+00:00","cve":"CVE-2024-50134","urls":{"html":"https://cve.report/CVE-2024-50134","api":"https://cve.report/api/cve/CVE-2024-50134.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2024-50134","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-50134"},"summary":{"title":"drm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2024-11-05 18:15:16","updated_at":"2026-05-12 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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."}],"providerMetadata":{"dateUpdated":"2026-05-11T20:46:05.995Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/02c86c5d5ef4bbba17d38859c74872825f536617"},{"url":"https://git.kernel.org/stable/c/75f828e944dacaac8870418461d3d48a1ecf2331"},{"url":"https://git.kernel.org/stable/c/34a422274b693507025a7db21519865d1862afcb"},{"url":"https://git.kernel.org/stable/c/7458a6cdaebb3dc59af8578ee354fae78a154c4a"},{"url":"https://git.kernel.org/stable/c/9eb32bd23bbcec44bcbef27b7f282b7a7f3d0391"},{"url":"https://git.kernel.org/stable/c/fae9dc12c61ce23cf29d09824a741b7b1ff8f01f"},{"url":"https://git.kernel.org/stable/c/d92b90f9a54d9300a6e883258e79f36dab53bfae"}],"title":"drm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_shape with real VLA","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2024-50134","datePublished":"2024-11-05T17:10:58.939Z","dateReserved":"2024-10-21T19:36:19.955Z","dateUpdated":"2026-05-12T12:00:18.917Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2024-11-05 18:15:16","lastModifiedDate":"2026-05-12 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Replace fake VLA at end of vbva_mouse_pointer_sha","CVE":"CVE-2024-50134","Year":"2024"},"notes":[{"CveYear":"2024","CveId":"50134","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"drm/vboxvideo: Replace fake VLA at end of vbva_mouse_pointer_sha"}]}}}