Vulnerability Name:

CVE-2022-30771 (CCN-242058)

Assigned:2022-11-14
Published:2022-11-14
Updated:2022-11-23
Summary:Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions Initialization function in PnpSmm could lead to SMRAM corruption when using subsequent PNP SMI functions. This issue was discovered by Insyde engineering during a security review. Fixed in: Kernel 5.1: Version 05.17.25 Kernel 5.2: Version 05.27.25 Kernel 5.3: Version 05.36.25 Kernel 5.4: Version 05.44.25 Kernel 5.5: Version 05.52.25 https://www.insyde.com/security-pledge/SA-2022064
CVSS v3 Severity:8.2 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.2 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-30771

Source: XF
Type: UNKNOWN
insyde-cve202230771-code-exec(242058)

Source: CCN
Type: INSYDE-SA-2022064
PnpSmm

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:insyde:insydeh2o:5.2:*:*:*:*:*:*:*
  • OR cpe:/a:insyde:insydeh2o:5.3:*:*:*:*:*:*:*
  • OR cpe:/a:insyde:insydeh2o:5.4:*:*:*:*:*:*:*
  • OR cpe:/a:insyde:insydeh2o:5.5:*:*:*:*:*:*:*
  • OR cpe:/a:insyde:insydeh2o:5.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    insyde insydeh2o 5.2
    insyde insydeh2o 5.3
    insyde insydeh2o 5.4
    insyde insydeh2o 5.5
    insyde insydeh2o 5.1