CVE-2022-32267
Medium
Description
DMA transactions which are targeted at input buffers used for the SmmResourceCheckDxe software SMI handler cause SMRAM corruption (a TOCTOU attack) DMA transactions which are targeted at input buffers used for the software SMI handler used by the SmmResourceCheckDxe driver could cause SMRAM corruption through a TOCTOU attack... This issue was discovered by Insyde engineering. Fixed in kernel Kernel 5.2: 05.27.23. Kernel 5.3: 05.36.23. Kernel 5.4: 05.44.23. Kernel 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022046
SeverityMedium
CVSS6.4
Exploit probability—
ProductInsyde Kernel
PublishedNov 15, 2022
First seenNov 15, 2022
Weakness typeCWE-367CWE-367
How to fix
Update
- insyde kernel5.2.05.27.23, 5.3.05.36.23, 5.4.05.44.23, 5.5.05.52.23 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| insyde kernel | 5.2 ≤ v < 5.2.05.27.23, 5.3 ≤ v < 5.3.05.36.23, 5.4 ≤ v < 5.4.05.44.23, 5.5 ≤ v < 5.5.05.52.23 | 5.2.05.27.23, 5.3.05.36.23, 5.4.05.44.23, 5.5.05.52.23 |
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