Vulnerability Details CVE-2022-33984
DMA transactions which are targeted at input buffers used for the SdMmcDevice 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 SdMmcDevice 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. This was fixed in kernel 5.2: 05.27.25, kernel 5.3: 05.36.25, kernel 5.4: 05.44.25, kernel 5.5: 05.52.25 https://www.insyde.com/security-pledge/SA-2022054
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.7%
CVSS Severity
CVSS v3 Score 7.0
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2022054
- https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2022054