CVE-2023-22615

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5

High · published April 11, 2023

CVSS v3.1
8.4
EPSS
0%
Percentile
9.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00204 · 9.9th percentile
Published
2023-04-11T00:00Z
EPSS history
Timeline
  • 11 APR 00:00Z
    An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5
    cvelistv5