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cve[email protected]CVE-2023-22615
HistoryApr 11, 2023 - 9:15 p.m.

CVE-2023-22615

2023-04-1121:15:17
CWE-787
web.nvd.nist.gov
18
cve-2023-22615
ihisismm
insyde
insydeh2o
kernel
smram
security issue
nvd

8.4 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

8.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. IHISI subfunction execution may corrupt SMRAM. An attacker can pass an address in the RCX save state register that overlaps SMRAM, thereby coercing an IHISI subfunction handler to overwrite private SMRAM.

Affected configurations

NVD
Node
insydeinsydeh2oMatch05.37.03
OR
insydeinsydeh2oMatch05.45.01
OR
insydeinsydeh2oMatch05.53.01

8.4 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

8.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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