A memory corruption vulnerability in SdHost and SdMmcDevice in Insyde InsydeH2O kernel…
Priority LOW 34CWE-822Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-822 and the CVSS impact.
Summary
A memory corruption vulnerability in SdHost and SdMmcDevice in Insyde InsydeH2O kernel 5.2 before 05.29.09, kernel 5.3 before 05.38.09, kernel 5.4 before 05.46.09, kernel 5.5 before 05.54.09, and kernel 5.6 before 05.61.09 could lead to escalating privileges in SMM.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0017 6th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE names CISA-ADP · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:insyde:insydeh2o:5.2:*:*:*:*:*:*:* | 5.2 | — | Insyde Software |
| cpe:2.3:a:insyde:insydeh2o:5.3:*:*:*:*:*:*:* | 5.3 | — | Insyde Software |
| cpe:2.3:a:insyde:insydeh2o:5.4:*:*:*:*:*:*:* | 5.4 | — | Insyde Software |
| cpe:2.3:a:insyde:insydeh2o:5.5:*:*:*:*:*:*:* | 5.5 | — | Insyde Software |
| cpe:2.3:a:insyde:insydeh2o:5.6:*:*:*:*:*:*:* | 5.6 | — | Insyde Software |
- cpe:2.3:a:insyde:insydeh2o:5.2:*:*:*:*:*:*:* Versions 5.2 — ·Insyde Software
- cpe:2.3:a:insyde:insydeh2o:5.3:*:*:*:*:*:*:* Versions 5.3 — ·Insyde Software
- cpe:2.3:a:insyde:insydeh2o:5.4:*:*:*:*:*:*:* Versions 5.4 — ·Insyde Software
- cpe:2.3:a:insyde:insydeh2o:5.5:*:*:*:*:*:*:* Versions 5.5 — ·Insyde Software
- cpe:2.3:a:insyde:insydeh2o:5.6:*:*:*:*:*:*:* Versions 5.6 — ·Insyde Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-27353
- 2026-10-03 Alias added: GHSA-c76f-4g6w-3ff9
References
Sources
- CVE-2024-27353 · CVE Program
- CVE-2024-27353 · NVD
- FIRST EPSS
- GHSA-c76f-4g6w-3ff9 · GitHub Advisory Database · CC BY 4.0
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