An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.
https://www.insyde.com/security-pledge/SA-2022032
https://www.insyde.com/security-pledge
https://binarly.io/advisories/BRLY-2022-023/index.html
Source: Mitre, NVD
Published: 2022-09-28
Updated: 2023-08-08
Base Score: 6.5
Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C
Severity: Medium
Base Score: 8.2
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Severity: High