| Package | Affected versions | Patched versions |
|---|---|---|
| kernel | ≥ 5.2, < 5.2.05.27.23≥ 5.3, < 5.3.05.36.23≥ 5.4, < 5.4.05.44.23≥ 5.5, < 5.5.05.52.23 | 5.2.05.27.235.3.05.36.235.4.05.44.235.5.05.52.23 |
DMA transactions which are targeted at input buffers used for the HddPassword 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 HddPassword 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 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-2022051
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