CVE-2022-32475

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

High · published February 15, 2023

CVSS v3.1
7.0
EPSS
0%
Percentile
2.6
In the wild
Unconfirmed
What it is

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This issue was fixed in the kernel, which also protected chipset and OEM chipset code.

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00133 · 2.6th percentile
Published
2023-02-15T00:00Z
EPSS history
Timeline
  • 15 FEB 00:00Z
    An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5
    cvelistv5