Medium severity6.4NVD Advisory· Published Nov 14, 2022· Updated Jun 17, 2026
CVE-2022-33907
CVE-2022-33907
Description
DMA transactions which are targeted at input buffers used for the software SMI handler used by the IdeBusDxe driver 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 IdeBusDxe 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: 05.27.25, kernel 5.3: 05.36.25, kernel 5.4: 05.44.25 https://www.insyde.com/security-pledge/SA-2022049
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Affected products
4- Insyde/IdeBusDxe driverdescription
Patches
Vulnerability mechanics
References
3- www.insyde.com/security-pledgenvdVendor Advisory
- www.insyde.com/security-pledge/SA-2022049nvdVendor Advisory
- cert-portal.siemens.com/productcert/pdf/ssa-450613.pdfnvd
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