What is CVE-2022-36337?

CVE-2022-36337 is a high-severity vulnerability in Insyde Kernel, classified under Out-of-bounds Write. CVSS score: 8.2/10. Published 2022-11-23.

How severe is CVE-2022-36337?

High severity. CVSS v3 base score is 8.2 out of 10.

Buffer overflow in Insyde Kernel

CVE-2022-36337

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. A stack buffer overflow vulnerability in the MebxConfiguration driver leads to arbitrary code execution. Control of a UEFI variable under the OS can cause this overfl…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (11.6th 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

Insyde Kernel
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write
CWE-121 — Stack-based Buffer Overflow

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2022-36337?: CVE-2022-36337 is a high-severity vulnerability in Insyde Kernel, classified under Out-of-bounds Write. CVSS score: 8.2/10. Published 2022-11-23.
How severe is CVE-2022-36337?: High severity. CVSS v3 base score is 8.2 out of 10.