Buffer overflow in Insyde Kernel

CVE-2022-30772

Manipulation of the input address in PnpSmm function 0x52 could be used by malware to overwrite SMRAM or OS kernel memory. Function 0x52 of the PnpSmm driver is passed the address and size of data to write into the SMBIOS table, but manipu…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (9.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-30772?
CVE-2022-30772 is a high-severity vulnerability in Insyde Kernel, classified under Out-of-bounds Write. CVSS score: 8.2/10. Published 2022-11-15.
How severe is CVE-2022-30772?
High severity. CVSS v3 base score is 8.2 out of 10.