DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents…
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). DMA attacks on the parameter buffer used by the IhisiSmm driver could change the contents after parameter values have been checked but before they are used (a TOCTOU attack). This issue was discovered by Insyde engineering. This issue is fixed in Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23. CWE-367
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 5.4 to before 5.4.05.44.23; 5.5 to before 5.5.05.52.23 | Vulnerable | Insyde Software |
- cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* Versions 5.4 to before 5.4.05.44.23; 5.5 to before 5.5.05.52.23 Vulnerable ·Insyde Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-30773
- 2026-10-03 Alias added: GHSA-w9hw-r557-9gv3
References
More Insyde Software Kernel vulnerabilities
- TI-2021-16172 Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize. CVSS 3.1CRITICAL 9.8
- TI-2021-16170 NetworkPkg/IScsiDxe has remotely exploitable buffer overflows. CVSS 3.1HIGH 8.1
- TI-2024-32800 An issue was discovered in AcpiS3SaveDxe and ChipsetSvcDxe in Insyde InsydeH2O with… CVSS 3.1MEDIUM 6.4
- TI-2022-16680 An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. CVSS 3.1HIGH 8.2
- TI-2022-11814 Use of a untrusted pointer allows tampering with SMRAM and OS memory in SdHostDriver and… CVSS 3.1HIGH 8.2
- TI-2022-11813 Incorrect pointer checks within the NvmExpressDxe driver can allow tampering with SMRAM… CVSS 3.1HIGH 8.2
Sources
- CVE-2022-30773 · CVE Program
- CVE-2022-30773 · NVD
- FIRST EPSS
- GHSA-w9hw-r557-9gv3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences