CVE-2023-22613
highpriority · track · 35EPSS 0.002 · 11 %ileDEEUUSEPSS · scored 2026-10-27
An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. It is possible to write to an attacker-controlled address. An attacker could invoke an SMI handler with a malformed pointer in RCX that overlaps SMRAM, resulting in SMM memory corruption.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-0937Lenovo BIOS: Mehrere SchwachstellenDeutsch2023-04-11csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Lenovo BIOS ausnutzen, um beliebigen Programmcode auszuführen oder einen Denial of Service Zustand herbeizuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-22613/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2023-22613cnnvd
- https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/cnnvd
- https://www.insyde.com/security-pledgecnnvd
- https://www.insyde.com/security-pledge/SA-2023023cnnvd
- https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/enisa_euvd
- https://www.insyde.com/security-pledgeenisa_euvd
- https://www.insyde.com/security-pledge/SA-2023023enisa_euvd
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