DMA transactions which are targeted at input buffers used for the FwBlockServiceSmm software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the FwBlockServiceSmm driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in kernel 5.2: 05.27.23, 5.3: 05.36.23, 5.4: 05.44.23, 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022048
References
Link | Resource |
---|---|
https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf | |
https://www.insyde.com/security-pledge | Vendor Advisory |
https://www.insyde.com/security-pledge/SA-2022048 | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
No history.
Information
Published : 2022-11-15 00:15
Updated : 2024-02-28 19:29
NVD link : CVE-2022-33906
Mitre link : CVE-2022-33906
CVE.ORG link : CVE-2022-33906
JSON object : View
Products Affected
insyde
- kernel
CWE
CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition