{"cve":"CVE-2024-46698","nvd":{"published":"2024-09-13T06:15:14.563","modified":"2026-06-17T07:55:45.233","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvideo/aperture: optionally match the device in sysfb_disable()\n\nIn aperture_remove_conflicting_pci_devices(), we currently only\ncall sysfb_disable() on vga class devices.  This leads to the\nfollowing problem when the pimary device is not VGA compatible:\n\n1. A PCI device with a non-VGA class is the boot display\n2. That device is probed first and it is not a VGA device so\n   sysfb_disable() is not called, but the device resources\n   are freed by aperture_detach_platform_device()\n3. Non-primary GPU has a VGA class and it ends up calling sysfb_disable()\n4. NULL pointer dereference via sysfb_disable() since the resources\n   have already been freed by aperture_detach_platform_device() when\n   it was called by the other device.\n\nFix this by passing a device pointer to sysfb_disable() and checking\nthe device to determine if we should execute it or not.\n\nv2: Fix build when CONFIG_SCREEN_INFO is not set\nv3: Move device check into the mutex\n    Drop primary variable in aperture_remove_conflicting_pci_devices()\n    Drop __init on pci sysfb_pci_dev_is_enabled()","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/17e78f43de0c6da34204cc858b4cc05671ea9acf","https://git.kernel.org/stable/c/b49420d6a1aeb399e5b107fc6eb8584d0860fbd7"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:54:38.012257375+00:00"},"epss":{"cve":"CVE-2024-46698","score":0.00189,"percentile":0.08581,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}