CVE-2020-8341

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). After resuming from S3 sleep mode in various versions of BIOS for some Lenovo ThinkPad systems, the PRx is not set. This does not impact the SMM BIOS Write Protection, which keeps systems protected.
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:lenovo:thinkpad_t490_\(20nx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:lenovo:thinkpad_t490_\(20nx\):-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:lenovo:thinkpad_t490_\(20qx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:lenovo:thinkpad_t490_\(20qx\):-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:lenovo:thinkpad_t490_\(20rx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:lenovo:thinkpad_t490_\(20rx\):-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:lenovo:thinkpad_t490s_\(20nx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:lenovo:thinkpad_t490s_\(20nx\):-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:lenovo:thinkpad_t495_drift_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:lenovo:thinkpad_t495_drift:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:lenovo:thinkpad_t590_\(20nx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:lenovo:thinkpad_t590_\(20nx\):-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:lenovo:thinkpad_x1_carbon_\(20qx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:lenovo:thinkpad_x1_carbon_\(20qx\):-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:lenovo:thinkpad_x1_yoga_\(20qx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:lenovo:thinkpad_x1_yoga_\(20qx\):-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:lenovo:thinkpad_x390_\(20qx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:lenovo:thinkpad_x390_\(20qx\):-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:lenovo:thinkpad_x390_\(20sx\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:lenovo:thinkpad_x390_\(20sx\):-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:38

Type Values Removed Values Added
References () https://support.lenovo.com/us/en/product_security/LEN-30042 - Vendor Advisory () https://support.lenovo.com/us/en/product_security/LEN-30042 - Vendor Advisory

Information

Published : 2020-09-01 22:15

Updated : 2024-11-21 05:38


NVD link : CVE-2020-8341

Mitre link : CVE-2020-8341

CVE.ORG link : CVE-2020-8341


JSON object : View

Products Affected

lenovo

  • thinkpad_t590_\(20nx\)_firmware
  • thinkpad_x390_\(20sx\)
  • thinkpad_x1_carbon_\(20qx\)
  • thinkpad_t495_drift_firmware
  • thinkpad_x390_\(20qx\)_firmware
  • thinkpad_x390_\(20sx\)_firmware
  • thinkpad_t490_\(20nx\)
  • thinkpad_t490_\(20qx\)
  • thinkpad_x1_yoga_\(20qx\)
  • thinkpad_x1_yoga_\(20qx\)_firmware
  • thinkpad_t490s_\(20nx\)_firmware
  • thinkpad_x390_\(20qx\)
  • thinkpad_t490_\(20nx\)_firmware
  • thinkpad_t490_\(20qx\)_firmware
  • thinkpad_t495_drift
  • thinkpad_t590_\(20nx\)
  • thinkpad_t490_\(20rx\)
  • thinkpad_t490s_\(20nx\)
  • thinkpad_t490_\(20rx\)_firmware
  • thinkpad_x1_carbon_\(20qx\)_firmware