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CVE-2022-28806 is a high severity vulnerability with a CVSS score of 7.8. Exploits are available; patches have been released and should be applied urgently.
Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
An issue was discovered on certain Fujitsu LIEFBOOK devices (A3510, U9310, U7511/U7411/U7311, U9311, E5510/E5410, U7510/U7410/U7310, E459/E449) with BIOS versions before v1.09 (A3510), v2.17 (U9310), v2.30 (U7511/U7411/U7311), v2.33 (U9311), v2.23 (E5510), v2.19 (U7510/U7410), v2.13 (U7310), and v1.09 (E459/E449). The FjGabiFlashCoreAbstractionSmm driver registers a Software System Management Interrupt (SWSMI) handler that is not sufficiently validated to ensure that the CommBuffer (or any other communication buffer's nested contents) are not pointing to SMRAM contents. A potential attacker can therefore write fixed data to SMRAM, which could lead to data corruption inside this memory (e.g., change the SMI handler's code or modify SMRAM map structures to break input pointer validation for other SMI handlers). Thus, the attacker could elevate privileges from ring 0 to ring -2 and execute arbitrary code in SMM.
| Vendor | Product |
|---|---|
| Fujitsu | Lifebook U7410 Firmware |
| Fujitsu |
Please cite this page when referencing data from Strobes VI. Proper attribution helps support our vulnerability intelligence research.
| Lifebook U7311 |
| Fujitsu | Lifebook E5510 |
| Fujitsu | Lifebook U7411 Firmware |
| Fujitsu | Lifebook U9311 |
| Fujitsu | Lifebook A3510 |
| Fujitsu | Lifebook E5510 Firmware |
| Fujitsu | Lifebook U7511 Firmware |
| Fujitsu | Lifebook U7511 |
| Fujitsu | Lifebook U7410 |
And 14 more...