Buffer overflow in Insyde Kernel
CVE-2024-49200
An issue was discovered in AcpiS3SaveDxe and ChipsetSvcDxe in Insyde InsydeH2O with kernel 5.2 though 5.7. A potential DXE memory corruption vulnerability has been identified. The root cause is use of a pointer originating from the value of an NVRAM variable as the target of a write operation. This can be leveraged by an attacker to perform arbitrary writes, potentially leading to arbitrary code execution. The issue has been fixed in kernel 5.2, Version 05.29.44; kernel 5.3, Version 05.38.44; kernel 5.4, Version 05.46.44; kernel 5.5, Version 05.54.44; kernel 5.6, Version 05.61.44; and kernel 5.7, Version 05.70.44.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.005 (37.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000
Affected products
- Insyde Kernel — versions 5.2, 5.3, 5.4
Weakness classification (CWE)
References
- www.insyde.com/security-pledge/SA-2024015 (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-49200?
- CVE-2024-49200 is a medium-severity vulnerability in Insyde Kernel, classified under Out-of-bounds Write. CVSS score: 6.4/10. Published 2025-04-15.
- How severe is CVE-2024-49200?
- Medium severity. CVSS v3 base score is 6.4 out of 10.