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
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-11-14T00:00:00

Updated: 2024-08-03T08:09:22.675Z

Reserved: 2022-06-17T00:00:00

Link: CVE-2022-33906

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-11-15T00:15:11.870

Modified: 2023-02-14T12:15:14.957

Link: CVE-2022-33906

cve-icon Redhat

No data.