What is CVE-2022-35897?

CVE-2022-35897 is a medium-severity vulnerability in Insyde Kernel, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2022-11-21.

How severe is CVE-2022-35897?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Buffer overflow in Insyde Kernel

CVE-2022-35897

An stack buffer overflow vulnerability leads to arbitrary code execution issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. If the attacker modifies specific UEFI variables, it can cause a stack overflow, leading to arbi…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (27.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Insyde Kernel
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2022-35897?: CVE-2022-35897 is a medium-severity vulnerability in Insyde Kernel, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2022-11-21.
How severe is CVE-2022-35897?: Medium severity. CVSS v3 base score is 6.8 out of 10.