{"id":"CVE-2024-40431","aliases":["EUVD-2024-38454","GHSA-4wgw-m6jr-9h45"],"status":"published","title":"A lack of input validation in Realtek SD card reader driver before 10.0.26100.21374 through the...","description":"A lack of input validation in Realtek SD card reader driver before 10.0.26100.21374 through the implementation of the IOCTL_SCSI_PASS_THROUGH control of the SD card reader driver allows an attacker to write to predictable kernel memory locations, even as a low-privileged user.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.01271,"percentile":0.70027,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2024-10-23T00:00:00Z","modified":"2026-06-17T07:45:52Z","exploits":[{"source":"pocgithub","id":"SpiralBL0CK/CVE-2024-40431-CVE-2022-25479-EOP-CHAIN","title":"SpiralBL0CK/CVE-2024-40431-CVE-2022-25479-EOP-CHAIN","date":"2024-09-17","url":"https://github.com/SpiralBL0CK/CVE-2024-40431-CVE-2022-25479-EOP-CHAIN"}],"products":[{"vendor":"realtek","product":"sd_card_reader_driver"}],"references":[{"url":"https://zwclose.github.io/2024/10/14/rtsper1.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-40431"},{"url":"https://github.com/advisories/GHSA-4wgw-m6jr-9h45"}],"sources":{"cve":[{"id":"CVE-2024-40431","description":"A lack of input validation in Realtek SD card reader driver before 10.0.26100.21374 through the implementation of the IOCTL_SCSI_PASS_THROUGH control of the SD card reader driver allows an attacker to write to predictable kernel memory locations, even as a low-privileged user.","status":"published","published":"2024-10-23T00:00:00Z","modified":"2024-10-24T17:43:32.664Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:34:06.811965Z"}],"euvd":[{"id":"EUVD-2024-38454","description":"A lack of input validation in Realtek SD card reader driver before 10.0.26100.21374 through the implementation of the IOCTL_SCSI_PASS_THROUGH control of the SD card reader driver allows an attacker to write to predictable kernel memory locations, even as a low-privileged user.","status":"published","published":"2024-10-23T00:00:00Z","modified":"2024-10-24T17:43:32Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:05:20.137911Z"}],"ghsa":[{"id":"GHSA-4wgw-m6jr-9h45","title":"A lack of input validation in Realtek SD card reader driver before 10.0.26100.21374 through the...","description":"A lack of input validation in Realtek SD card reader driver before 10.0.26100.21374 through the implementation of the IOCTL_SCSI_PASS_THROUGH control of the SD card reader driver allows an attacker to write to predictable kernel memory locations, even as a low-privileged user.","status":"published","published":"2024-10-24T00:33:36Z","modified":"2024-10-24T21:31:03Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:58:35.988972Z"}],"nvd":[{"id":"CVE-2024-40431","description":"A lack of input validation in Realtek SD card reader driver before 10.0.26100.21374 through the implementation of the IOCTL_SCSI_PASS_THROUGH control of the SD card reader driver allows an attacker to write to predictable kernel memory locations, even as a low-privileged user.","status":"published","published":"2024-10-23T22:15:02.34Z","modified":"2026-06-17T07:45:52.37Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"updated_at":"2026-11-02T14:10:33.928543Z"}]}}