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 |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2022-11-14T00:00:00
Updated: 2023-02-14T00:00:00
Reserved: 2022-06-17T00:00:00
Link: CVE-2022-33906
JSON object: View
NVD Information
Status : Modified
Published: 2022-11-15T00:15:11.870
Modified: 2023-02-14T12:15:14.957
Link: CVE-2022-33906
JSON object: View
Redhat Information
No data.
CWE