DMA attacks on the parameter buffer used by the VariableRuntimeDxe software SMI handler could lead to a TOCTOU attack. DMA attacks on the parameter buffer used by the software SMI handler used by the driver VariableRuntimeDxe could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. This issue was discovered by Insyde engineering during a security review. This issue is fixed in Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23. CWE-367 CWE-367 Report at: https://www.insyde.com/security-pledge/SA-2022056
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

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

Updated: 2024-08-03T08:16:16.314Z

Reserved: 2022-06-18T00:00:00

Link: CVE-2022-33986

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2022-11-15T00:15:12.353

Modified: 2022-11-18T15:48:27.837

Link: CVE-2022-33986

cve-icon Redhat

No data.