Thinkcentre M920S Firmware
Monthly
A memory leakage vulnerability was reported in the NvmramSmm SMM driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the DustFilterAlertSmm SMM driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the 534D0740 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the 534D0140 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the SWSMI_Shadow DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Prior to August 10, 2020, some Lenovo Desktop and Workstation systems were shipped with the Embedded Host Based Configuration (EHBC) feature of Intel AMT enabled. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T460p, BIOS versions up to R07ET90W, and T470p, BIOS versions up to R0FET50W, which may allow for unauthorized access. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A potential vulnerability in the SMI callback function used in Legacy USB driver using passed parameter without sufficient checking in some Lenovo ThinkPad models may allow arbitrary code execution. Rated medium severity (CVSS 6.4). No vendor patch available.
A potential vulnerability in the SMI callback function used in the Legacy USB driver using boot services structure in runtime phase in some Lenovo ThinkPad models may allow arbitrary code execution. Rated medium severity (CVSS 6.4). No vendor patch available.
In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
A memory leakage vulnerability was reported in the NvmramSmm SMM driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the DustFilterAlertSmm SMM driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the 534D0740 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the 534D0140 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the SWSMI_Shadow DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Prior to August 10, 2020, some Lenovo Desktop and Workstation systems were shipped with the Embedded Host Based Configuration (EHBC) feature of Intel AMT enabled. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T460p, BIOS versions up to R07ET90W, and T470p, BIOS versions up to R0FET50W, which may allow for unauthorized access. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A potential vulnerability in the SMI callback function used in Legacy USB driver using passed parameter without sufficient checking in some Lenovo ThinkPad models may allow arbitrary code execution. Rated medium severity (CVSS 6.4). No vendor patch available.
A potential vulnerability in the SMI callback function used in the Legacy USB driver using boot services structure in runtime phase in some Lenovo ThinkPad models may allow arbitrary code execution. Rated medium severity (CVSS 6.4). No vendor patch available.
In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.