VulnerabilityModified
CVE-2021-41842
Code execution can occur because the SMI handler lacks a CommBuffer check.
CRITICAL 9.8EPSS 1.53%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in AtaLegacySmm in the kernel 5.0 before 05.08.46, 5.1 before 05.16.46, 5.2 before 05.26.46, 5.3 before 05.35.46, 5.4 before 05.43.46, and 5.5 before 05.51.45 in Insyde InsydeH2O. Code execution can occur because the SMI handler lacks a CommBuffer check.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.53% probability · 73th percentile
- CISA KEV
- Not listed
- Affected
- insyde/insydeh2o
- Source
- cve@mitre.org
References
- https://security.netapp.com/advisory/ntap-20220223-0002/Third Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://security.netapp.com/advisory/ntap-20220223-0002/Third Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.