CVE-2020-5956

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11

published January 5, 2022

CVSS
—
EPSS
1%
Percentile
56.4
In the wild
Unconfirmed
What it is

An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00806 · 56.4th percentile
Published
2022-01-05T22:55Z
EPSS history
Timeline
  • 05 JAN 22:55Z
    An issue was discovered in SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11
    cvelistv5