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
Metrics
Affected Vendors & Products
References
History
No history.
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
Vulnrichment
No data.
NVD
Status : Modified
Published: 2022-11-15T00:15:12.353
Modified: 2024-11-21T07:08:43.463
Link: CVE-2022-33986
Redhat
No data.