Lenovo Ideacentre 520S-23Iku Firmware vulnerabilities

CVE-2019-19705 [HIGH] CWE-428 CVE-2019-19705: Realtek Audio Drivers for Windows, as used on the Lenovo ThinkPad X1 Carbon 20A7, 20A8, 20BS, and 20 Realtek Audio Drivers for Windows, as used on the Lenovo ThinkPad X1 Carbon 20A7, 20A8, 20BS, and 20BT before 6.0.8882.1 and 20KH and 20KG before 6.0.8907.1 (and on many other Lenovo and non-Lenovo products), mishandles DLL preloading.

CVE-2019-10724 [MEDIUM] CVE-2019-10724: There is a vulnerability with the Dolby DAX2 API system services in which a low-privileged user can There is a vulnerability with the Dolby DAX2 API system services in which a low-privileged user can terminate arbitrary processes that are running at a higher privilege. The following are affected products and versions: Legion Y520T_Z370 6.0.1.8642, AIO310-20IAP 6.0.1.8642, AIO510-22ISH 6.0.1.8642, AIO510-23ISH 6.0.1.8642, AIO520-22IKL 6.0.1.8642, AIO520-22I

CVE-2019-6156 [LOW] CWE-667 CVE-2019-6156: In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. While this prov In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. While this provides sufficient protection, an additional layer of protection is provided by SPI Protected Range Registers (PRx). Lenovo was notified that after resuming from S3 sleep mode in various versions of BIOS for Lenovo systems, the PRx is not set. This does not i